Home / 502,989,477.96-694,125,511.59-279,966,358.52

Finding the Fourth Proportional to 502,989,477.96, 694,125,511.59 and 279,966,358.52

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Solution

The fourth proportional to 502,989,477.96, 694,125,511.59 and 279,966,358.52 is: 386,353,592.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,989,477.96 : 694,125,511.59 = 279,966,358.52 : x
  2. Step 2: Convert to fraction form
    502,989,477.96/694,125,511.59 = 279,966,358.52/x
  3. Step 3: Cross multiply
    502,989,477.96x = 694,125,511.59 × 279,966,358.52
  4. Step 4: Simplify right side
    502,989,477.96x = 194,331,791,835,866,592
  5. Step 5: Solve for x
    x = 194,331,791,835,866,592/502,989,477.96
  6. Step 6: Final answer
    x = 386,353,592.57

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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.