Home / 569,437,159.20-854,155,738.80-386,694,938.40

Finding the Fourth Proportional to 569,437,159.20, 854,155,738.80 and 386,694,938.40

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Solution

The fourth proportional to 569,437,159.20, 854,155,738.80 and 386,694,938.40 is: 580,042,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,437,159.20 : 854,155,738.80 = 386,694,938.40 : x
  2. Step 2: Convert to fraction form
    569,437,159.20/854,155,738.80 = 386,694,938.40/x
  3. Step 3: Cross multiply
    569,437,159.20x = 854,155,738.80 × 386,694,938.40
  4. Step 4: Simplify right side
    569,437,159.20x = 330,297,700,799,272,448
  5. Step 5: Solve for x
    x = 330,297,700,799,272,448/569,437,159.20
  6. Step 6: Final answer
    x = 580,042,407.60

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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.