Home / 1,010,931,000.40-1,516,396,500.60-493,693,253.20

Finding the Fourth Proportional to 1,010,931,000.40, 1,516,396,500.60 and 493,693,253.20

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Solution

The fourth proportional to 1,010,931,000.40, 1,516,396,500.60 and 493,693,253.20 is: 740,539,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,931,000.40 : 1,516,396,500.60 = 493,693,253.20 : x
  2. Step 2: Convert to fraction form
    1,010,931,000.40/1,516,396,500.60 = 493,693,253.20/x
  3. Step 3: Cross multiply
    1,010,931,000.40x = 1,516,396,500.60 × 493,693,253.20
  4. Step 4: Simplify right side
    1,010,931,000.40x = 748,634,721,522,309,632
  5. Step 5: Solve for x
    x = 748,634,721,522,309,632/1,010,931,000.40
  6. Step 6: Final answer
    x = 740,539,879.80

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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.