Home / 38,112,888,703.86-52,595,496,154.08-20,965,373,686.80

Finding the Fourth Proportional to 38,112,888,703.86, 52,595,496,154.08 and 20,965,373,686.80

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Solution

The fourth proportional to 38,112,888,703.86, 52,595,496,154.08 and 20,965,373,686.80 is: 28,932,056,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,112,888,703.86 : 52,595,496,154.08 = 20,965,373,686.80 : x
  2. Step 2: Convert to fraction form
    38,112,888,703.86/52,595,496,154.08 = 20,965,373,686.80/x
  3. Step 3: Cross multiply
    38,112,888,703.86x = 52,595,496,154.08 × 20,965,373,686.80
  4. Step 4: Simplify right side
    38,112,888,703.86x = 1,102,684,231,112,939,405,312
  5. Step 5: Solve for x
    x = 1,102,684,231,112,939,405,312/38,112,888,703.86
  6. Step 6: Final answer
    x = 28,932,056,021.28

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Half scale
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Double scale
Find fourth proportional to 38,112,888,704.86, 52,595,496,155.46 and 20,965,373,687.80
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.