Home / 1,778,472,392.59-2,454,306,523.84-985,531,613.86

Finding the Fourth Proportional to 1,778,472,392.59, 2,454,306,523.84 and 985,531,613.86

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Solution

The fourth proportional to 1,778,472,392.59, 2,454,306,523.84 and 985,531,613.86 is: 1,360,041,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,472,392.59 : 2,454,306,523.84 = 985,531,613.86 : x
  2. Step 2: Convert to fraction form
    1,778,472,392.59/2,454,306,523.84 = 985,531,613.86/x
  3. Step 3: Cross multiply
    1,778,472,392.59x = 2,454,306,523.84 × 985,531,613.86
  4. Step 4: Simplify right side
    1,778,472,392.59x = 2,418,796,669,347,162,112
  5. Step 5: Solve for x
    x = 2,418,796,669,347,162,112/1,778,472,392.59
  6. Step 6: Final answer
    x = 1,360,041,729.87

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Double scale
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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.