Home / 858,620,544.20-1,287,930,816.30-586,522,752.20

Finding the Fourth Proportional to 858,620,544.20, 1,287,930,816.30 and 586,522,752.20

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Solution

The fourth proportional to 858,620,544.20, 1,287,930,816.30 and 586,522,752.20 is: 879,784,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,620,544.20 : 1,287,930,816.30 = 586,522,752.20 : x
  2. Step 2: Convert to fraction form
    858,620,544.20/1,287,930,816.30 = 586,522,752.20/x
  3. Step 3: Cross multiply
    858,620,544.20x = 1,287,930,816.30 × 586,522,752.20
  4. Step 4: Simplify right side
    858,620,544.20x = 755,400,727,019,468,672
  5. Step 5: Solve for x
    x = 755,400,727,019,468,672/858,620,544.20
  6. Step 6: Final answer
    x = 879,784,128.30

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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.