Home / 515,472,965.75-711,502,590.67-336,883,719.60

Finding the Fourth Proportional to 515,472,965.75, 711,502,590.67 and 336,883,719.60

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Solution

The fourth proportional to 515,472,965.75, 711,502,590.67 and 336,883,719.60 is: 464,997,497.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,472,965.75 : 711,502,590.67 = 336,883,719.60 : x
  2. Step 2: Convert to fraction form
    515,472,965.75/711,502,590.67 = 336,883,719.60/x
  3. Step 3: Cross multiply
    515,472,965.75x = 711,502,590.67 × 336,883,719.60
  4. Step 4: Simplify right side
    515,472,965.75x = 239,693,639,249,103,680
  5. Step 5: Solve for x
    x = 239,693,639,249,103,680/515,472,965.75
  6. Step 6: Final answer
    x = 464,997,497.78

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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.