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Finding the Fourth Proportional to 637,956,827.10, 956,935,240.65 and 177,894,258.30

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Solution

The fourth proportional to 637,956,827.10, 956,935,240.65 and 177,894,258.30 is: 266,841,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,956,827.10 : 956,935,240.65 = 177,894,258.30 : x
  2. Step 2: Convert to fraction form
    637,956,827.10/956,935,240.65 = 177,894,258.30/x
  3. Step 3: Cross multiply
    637,956,827.10x = 956,935,240.65 × 177,894,258.30
  4. Step 4: Simplify right side
    637,956,827.10x = 170,233,284,876,563,776
  5. Step 5: Solve for x
    x = 170,233,284,876,563,776/637,956,827.10
  6. Step 6: Final answer
    x = 266,841,387.45

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Double scale
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Similar ratio
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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.