Home / 1,255,815,956.01-1,884,007,724.96-415,456,728.32

Finding the Fourth Proportional to 1,255,815,956.01, 1,884,007,724.96 and 415,456,728.32

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Solution

The fourth proportional to 1,255,815,956.01, 1,884,007,724.96 and 415,456,728.32 is: 623,278,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,815,956.01 : 1,884,007,724.96 = 415,456,728.32 : x
  2. Step 2: Convert to fraction form
    1,255,815,956.01/1,884,007,724.96 = 415,456,728.32/x
  3. Step 3: Cross multiply
    1,255,815,956.01x = 1,884,007,724.96 × 415,456,728.32
  4. Step 4: Simplify right side
    1,255,815,956.01x = 782,723,685,541,488,000
  5. Step 5: Solve for x
    x = 782,723,685,541,488,000/1,255,815,956.01
  6. Step 6: Final answer
    x = 623,278,977.94

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Double scale
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1.5x scale

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.