Home / 502,984,221.71-694,118,259.33-279,961,117.14

Finding the Fourth Proportional to 502,984,221.71, 694,118,259.33 and 279,961,117.14

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Solution

The fourth proportional to 502,984,221.71, 694,118,259.33 and 279,961,117.14 is: 386,346,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,984,221.71 : 694,118,259.33 = 279,961,117.14 : x
  2. Step 2: Convert to fraction form
    502,984,221.71/694,118,259.33 = 279,961,117.14/x
  3. Step 3: Cross multiply
    502,984,221.71x = 694,118,259.33 × 279,961,117.14
  4. Step 4: Simplify right side
    502,984,221.71x = 194,326,123,310,852,128
  5. Step 5: Solve for x
    x = 194,326,123,310,852,128/502,984,221.71
  6. Step 6: Final answer
    x = 386,346,360.23

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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.