Home / 502,989,464.73-694,125,493.34-279,966,345.28

Finding the Fourth Proportional to 502,989,464.73, 694,125,493.34 and 279,966,345.28

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Solution

The fourth proportional to 502,989,464.73, 694,125,493.34 and 279,966,345.28 is: 386,353,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,989,464.73 : 694,125,493.34 = 279,966,345.28 : x
  2. Step 2: Convert to fraction form
    502,989,464.73/694,125,493.34 = 279,966,345.28/x
  3. Step 3: Cross multiply
    502,989,464.73x = 694,125,493.34 × 279,966,345.28
  4. Step 4: Simplify right side
    502,989,464.73x = 194,331,777,536,842,624
  5. Step 5: Solve for x
    x = 194,331,777,536,842,624/502,989,464.73
  6. Step 6: Final answer
    x = 386,353,574.31

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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.