Home / 267,508,867.20-400,885,387.20-197,878,286.40

Finding the Fourth Proportional to 267,508,867.20, 400,885,387.20 and 197,878,286.40

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Solution

The fourth proportional to 267,508,867.20, 400,885,387.20 and 197,878,286.40 is: 296,537,884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,508,867.20 : 400,885,387.20 = 197,878,286.40 : x
  2. Step 2: Convert to fraction form
    267,508,867.20/400,885,387.20 = 197,878,286.40/x
  3. Step 3: Cross multiply
    267,508,867.20x = 400,885,387.20 × 197,878,286.40
  4. Step 4: Simplify right side
    267,508,867.20x = 79,326,513,461,936,496
  5. Step 5: Solve for x
    x = 79,326,513,461,936,496/267,508,867.20
  6. Step 6: Final answer
    x = 296,537,884.12

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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.