Home / 485,118,175.20-727,677,262.80-266,684,114.40

Finding the Fourth Proportional to 485,118,175.20, 727,677,262.80 and 266,684,114.40

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Solution

The fourth proportional to 485,118,175.20, 727,677,262.80 and 266,684,114.40 is: 400,026,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,118,175.20 : 727,677,262.80 = 266,684,114.40 : x
  2. Step 2: Convert to fraction form
    485,118,175.20/727,677,262.80 = 266,684,114.40/x
  3. Step 3: Cross multiply
    485,118,175.20x = 727,677,262.80 × 266,684,114.40
  4. Step 4: Simplify right side
    485,118,175.20x = 194,059,966,398,834,048
  5. Step 5: Solve for x
    x = 194,059,966,398,834,048/485,118,175.20
  6. Step 6: Final answer
    x = 400,026,171.60

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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.