Home / 531,473,721.90-798,060,888.45-402,227,270.70

Finding the Fourth Proportional to 531,473,721.90, 798,060,888.45 and 402,227,270.70

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Solution

The fourth proportional to 531,473,721.90, 798,060,888.45 and 402,227,270.70 is: 603,984,430.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,473,721.90 : 798,060,888.45 = 402,227,270.70 : x
  2. Step 2: Convert to fraction form
    531,473,721.90/798,060,888.45 = 402,227,270.70/x
  3. Step 3: Cross multiply
    531,473,721.90x = 798,060,888.45 × 402,227,270.70
  4. Step 4: Simplify right side
    531,473,721.90x = 321,001,853,013,660,672
  5. Step 5: Solve for x
    x = 321,001,853,013,660,672/531,473,721.90
  6. Step 6: Final answer
    x = 603,984,430.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.