Home / 525,884,496.35-725,721,311.43-287,752,053.65

Finding the Fourth Proportional to 525,884,496.35, 725,721,311.43 and 287,752,053.65

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Solution

The fourth proportional to 525,884,496.35, 725,721,311.43 and 287,752,053.65 is: 397,098,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,884,496.35 : 725,721,311.43 = 287,752,053.65 : x
  2. Step 2: Convert to fraction form
    525,884,496.35/725,721,311.43 = 287,752,053.65/x
  3. Step 3: Cross multiply
    525,884,496.35x = 725,721,311.43 × 287,752,053.65
  4. Step 4: Simplify right side
    525,884,496.35x = 208,827,797,737,925,088
  5. Step 5: Solve for x
    x = 208,827,797,737,925,088/525,884,496.35
  6. Step 6: Final answer
    x = 397,098,220.60

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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.