Home / 832,918,901.20-1,248,528,046.20-487,694,827.60

Finding the Fourth Proportional to 832,918,901.20, 1,248,528,046.20 and 487,694,827.60

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Solution

The fourth proportional to 832,918,901.20, 1,248,528,046.20 and 487,694,827.60 is: 731,044,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,918,901.20 : 1,248,528,046.20 = 487,694,827.60 : x
  2. Step 2: Convert to fraction form
    832,918,901.20/1,248,528,046.20 = 487,694,827.60/x
  3. Step 3: Cross multiply
    832,918,901.20x = 1,248,528,046.20 × 487,694,827.60
  4. Step 4: Simplify right side
    832,918,901.20x = 608,900,670,245,273,856
  5. Step 5: Solve for x
    x = 608,900,670,245,273,856/832,918,901.20
  6. Step 6: Final answer
    x = 731,044,366.23

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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.