Home / 1,314,165,659.70-1,971,248,489.55-344,915,253.30

Finding the Fourth Proportional to 1,314,165,659.70, 1,971,248,489.55 and 344,915,253.30

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Solution

The fourth proportional to 1,314,165,659.70, 1,971,248,489.55 and 344,915,253.30 is: 517,372,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,165,659.70 : 1,971,248,489.55 = 344,915,253.30 : x
  2. Step 2: Convert to fraction form
    1,314,165,659.70/1,971,248,489.55 = 344,915,253.30/x
  3. Step 3: Cross multiply
    1,314,165,659.70x = 1,971,248,489.55 × 344,915,253.30
  4. Step 4: Simplify right side
    1,314,165,659.70x = 679,913,672,090,380,672
  5. Step 5: Solve for x
    x = 679,913,672,090,380,672/1,314,165,659.70
  6. Step 6: Final answer
    x = 517,372,879.95

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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.