Home / 705,024,301.60-1,057,536,452.40-513,921,325.60

Finding the Fourth Proportional to 705,024,301.60, 1,057,536,452.40 and 513,921,325.60

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Solution

The fourth proportional to 705,024,301.60, 1,057,536,452.40 and 513,921,325.60 is: 770,881,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,024,301.60 : 1,057,536,452.40 = 513,921,325.60 : x
  2. Step 2: Convert to fraction form
    705,024,301.60/1,057,536,452.40 = 513,921,325.60/x
  3. Step 3: Cross multiply
    705,024,301.60x = 1,057,536,452.40 × 513,921,325.60
  4. Step 4: Simplify right side
    705,024,301.60x = 543,490,535,487,729,344
  5. Step 5: Solve for x
    x = 543,490,535,487,729,344/705,024,301.60
  6. Step 6: Final answer
    x = 770,881,988.40

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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.