Home / 7,128,650,131.80-10,692,496,900.80-1,888,145,860.20

Finding the Fourth Proportional to 7,128,650,131.80, 10,692,496,900.80 and 1,888,145,860.20

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Solution

The fourth proportional to 7,128,650,131.80, 10,692,496,900.80 and 1,888,145,860.20 is: 2,832,092,105.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,650,131.80 : 10,692,496,900.80 = 1,888,145,860.20 : x
  2. Step 2: Convert to fraction form
    7,128,650,131.80/10,692,496,900.80 = 1,888,145,860.20/x
  3. Step 3: Cross multiply
    7,128,650,131.80x = 10,692,496,900.80 × 1,888,145,860.20
  4. Step 4: Simplify right side
    7,128,650,131.80x = 20,188,993,758,446,850,048
  5. Step 5: Solve for x
    x = 20,188,993,758,446,850,048/7,128,650,131.80
  6. Step 6: Final answer
    x = 2,832,092,105.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.