Home / 15,087,975,053.02-20,820,467,414.37-8,313,414,521.13

Finding the Fourth Proportional to 15,087,975,053.02, 20,820,467,414.37 and 8,313,414,521.13

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Solution

The fourth proportional to 15,087,975,053.02, 20,820,467,414.37 and 8,313,414,521.13 is: 11,471,995,117.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,087,975,053.02 : 20,820,467,414.37 = 8,313,414,521.13 : x
  2. Step 2: Convert to fraction form
    15,087,975,053.02/20,820,467,414.37 = 8,313,414,521.13/x
  3. Step 3: Cross multiply
    15,087,975,053.02x = 20,820,467,414.37 × 8,313,414,521.13
  4. Step 4: Simplify right side
    15,087,975,053.02x = 173,089,176,139,362,500,608
  5. Step 5: Solve for x
    x = 173,089,176,139,362,500,608/15,087,975,053.02
  6. Step 6: Final answer
    x = 11,471,995,117.38

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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.