Home / 1,023,516,101.20-1,535,274,151.80-853,454,981.20

Finding the Fourth Proportional to 1,023,516,101.20, 1,535,274,151.80 and 853,454,981.20

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Solution

The fourth proportional to 1,023,516,101.20, 1,535,274,151.80 and 853,454,981.20 is: 1,280,182,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,516,101.20 : 1,535,274,151.80 = 853,454,981.20 : x
  2. Step 2: Convert to fraction form
    1,023,516,101.20/1,535,274,151.80 = 853,454,981.20/x
  3. Step 3: Cross multiply
    1,023,516,101.20x = 1,535,274,151.80 × 853,454,981.20
  4. Step 4: Simplify right side
    1,023,516,101.20x = 1,310,287,372,361,315,072
  5. Step 5: Solve for x
    x = 1,310,287,372,361,315,072/1,023,516,101.20
  6. Step 6: Final answer
    x = 1,280,182,471.80

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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.