Home / 990,582,787.30-1,485,874,180.95-560,601,091.30

Finding the Fourth Proportional to 990,582,787.30, 1,485,874,180.95 and 560,601,091.30

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Solution

The fourth proportional to 990,582,787.30, 1,485,874,180.95 and 560,601,091.30 is: 840,901,636.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,582,787.30 : 1,485,874,180.95 = 560,601,091.30 : x
  2. Step 2: Convert to fraction form
    990,582,787.30/1,485,874,180.95 = 560,601,091.30/x
  3. Step 3: Cross multiply
    990,582,787.30x = 1,485,874,180.95 × 560,601,091.30
  4. Step 4: Simplify right side
    990,582,787.30x = 832,982,687,375,063,680
  5. Step 5: Solve for x
    x = 832,982,687,375,063,680/990,582,787.30
  6. Step 6: Final answer
    x = 840,901,636.95

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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.