Home / 406,282,173.16-608,388,701.76-267,687,601.12

Finding the Fourth Proportional to 406,282,173.16, 608,388,701.76 and 267,687,601.12

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Solution

The fourth proportional to 406,282,173.16, 608,388,701.76 and 267,687,601.12 is: 400,849,761.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,282,173.16 : 608,388,701.76 = 267,687,601.12 : x
  2. Step 2: Convert to fraction form
    406,282,173.16/608,388,701.76 = 267,687,601.12/x
  3. Step 3: Cross multiply
    406,282,173.16x = 608,388,701.76 × 267,687,601.12
  4. Step 4: Simplify right side
    406,282,173.16x = 162,858,112,122,645,536
  5. Step 5: Solve for x
    x = 162,858,112,122,645,536/406,282,173.16
  6. Step 6: Final answer
    x = 400,849,761.28

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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.