Home / 519,781,682.28-779,665,176.54-126,311,401.02

Finding the Fourth Proportional to 519,781,682.28, 779,665,176.54 and 126,311,401.02

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Solution

The fourth proportional to 519,781,682.28, 779,665,176.54 and 126,311,401.02 is: 189,465,316.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,781,682.28 : 779,665,176.54 = 126,311,401.02 : x
  2. Step 2: Convert to fraction form
    519,781,682.28/779,665,176.54 = 126,311,401.02/x
  3. Step 3: Cross multiply
    519,781,682.28x = 779,665,176.54 × 126,311,401.02
  4. Step 4: Simplify right side
    519,781,682.28x = 98,480,600,775,273,024
  5. Step 5: Solve for x
    x = 98,480,600,775,273,024/519,781,682.28
  6. Step 6: Final answer
    x = 189,465,316.18

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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.