Home / 727,092,028.20-1,091,323,010.70-382,293,107.40

Finding the Fourth Proportional to 727,092,028.20, 1,091,323,010.70 and 382,293,107.40

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Solution

The fourth proportional to 727,092,028.20, 1,091,323,010.70 and 382,293,107.40 is: 573,799,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,092,028.20 : 1,091,323,010.70 = 382,293,107.40 : x
  2. Step 2: Convert to fraction form
    727,092,028.20/1,091,323,010.70 = 382,293,107.40/x
  3. Step 3: Cross multiply
    727,092,028.20x = 1,091,323,010.70 × 382,293,107.40
  4. Step 4: Simplify right side
    727,092,028.20x = 417,205,264,937,626,432
  5. Step 5: Solve for x
    x = 417,205,264,937,626,432/727,092,028.20
  6. Step 6: Final answer
    x = 573,799,806.29

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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.