Home / 502,989,477.86-694,125,511.45-279,966,358.41

Finding the Fourth Proportional to 502,989,477.86, 694,125,511.45 and 279,966,358.41

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Solution

The fourth proportional to 502,989,477.86, 694,125,511.45 and 279,966,358.41 is: 386,353,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,989,477.86 : 694,125,511.45 = 279,966,358.41 : x
  2. Step 2: Convert to fraction form
    502,989,477.86/694,125,511.45 = 279,966,358.41/x
  3. Step 3: Cross multiply
    502,989,477.86x = 694,125,511.45 × 279,966,358.41
  4. Step 4: Simplify right side
    502,989,477.86x = 194,331,791,719,435,360
  5. Step 5: Solve for x
    x = 194,331,791,719,435,360/502,989,477.86
  6. Step 6: Final answer
    x = 386,353,592.42

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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.