Home / 514,564,516.56-710,098,492.64-279,614,618.12

Finding the Fourth Proportional to 514,564,516.56, 710,098,492.64 and 279,614,618.12

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Solution

The fourth proportional to 514,564,516.56, 710,098,492.64 and 279,614,618.12 is: 385,867,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,564,516.56 : 710,098,492.64 = 279,614,618.12 : x
  2. Step 2: Convert to fraction form
    514,564,516.56/710,098,492.64 = 279,614,618.12/x
  3. Step 3: Cross multiply
    514,564,516.56x = 710,098,492.64 × 279,614,618.12
  4. Step 4: Simplify right side
    514,564,516.56x = 198,553,918,847,121,216
  5. Step 5: Solve for x
    x = 198,553,918,847,121,216/514,564,516.56
  6. Step 6: Final answer
    x = 385,867,879.45

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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.