Home / 1,793,739,815.60-2,690,609,723.40-826,280,999.60

Finding the Fourth Proportional to 1,793,739,815.60, 2,690,609,723.40 and 826,280,999.60

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Solution

The fourth proportional to 1,793,739,815.60, 2,690,609,723.40 and 826,280,999.60 is: 1,239,421,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793,739,815.60 : 2,690,609,723.40 = 826,280,999.60 : x
  2. Step 2: Convert to fraction form
    1,793,739,815.60/2,690,609,723.40 = 826,280,999.60/x
  3. Step 3: Cross multiply
    1,793,739,815.60x = 2,690,609,723.40 × 826,280,999.60
  4. Step 4: Simplify right side
    1,793,739,815.60x = 2,223,199,691,784,431,616
  5. Step 5: Solve for x
    x = 2,223,199,691,784,431,616/1,793,739,815.60
  6. Step 6: Final answer
    x = 1,239,421,499.40

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Double scale
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Similar ratio
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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.