Home / 406,281,800.79-608,388,143.34-267,687,228.13

Finding the Fourth Proportional to 406,281,800.79, 608,388,143.34 and 267,687,228.13

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Solution

The fourth proportional to 406,281,800.79, 608,388,143.34 and 267,687,228.13 is: 400,849,202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,281,800.79 : 608,388,143.34 = 267,687,228.13 : x
  2. Step 2: Convert to fraction form
    406,281,800.79/608,388,143.34 = 267,687,228.13/x
  3. Step 3: Cross multiply
    406,281,800.79x = 608,388,143.34 × 267,687,228.13
  4. Step 4: Simplify right side
    406,281,800.79x = 162,857,735,717,841,728
  5. Step 5: Solve for x
    x = 162,857,735,717,841,728/406,281,800.79
  6. Step 6: Final answer
    x = 400,849,202.21

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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.