Home / 922,908,640.23-1,273,613,821.02-499,522,229.10

Finding the Fourth Proportional to 922,908,640.23, 1,273,613,821.02 and 499,522,229.10

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Solution

The fourth proportional to 922,908,640.23, 1,273,613,821.02 and 499,522,229.10 is: 689,340,620.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,908,640.23 : 1,273,613,821.02 = 499,522,229.10 : x
  2. Step 2: Convert to fraction form
    922,908,640.23/1,273,613,821.02 = 499,522,229.10/x
  3. Step 3: Cross multiply
    922,908,640.23x = 1,273,613,821.02 × 499,522,229.10
  4. Step 4: Simplify right side
    922,908,640.23x = 636,198,414,888,478,848
  5. Step 5: Solve for x
    x = 636,198,414,888,478,848/922,908,640.23
  6. Step 6: Final answer
    x = 689,340,620.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.