Home / 1,093,068,340.10-1,639,602,510.15-987,630,445.70

Finding the Fourth Proportional to 1,093,068,340.10, 1,639,602,510.15 and 987,630,445.70

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Solution

The fourth proportional to 1,093,068,340.10, 1,639,602,510.15 and 987,630,445.70 is: 1,481,445,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,068,340.10 : 1,639,602,510.15 = 987,630,445.70 : x
  2. Step 2: Convert to fraction form
    1,093,068,340.10/1,639,602,510.15 = 987,630,445.70/x
  3. Step 3: Cross multiply
    1,093,068,340.10x = 1,639,602,510.15 × 987,630,445.70
  4. Step 4: Simplify right side
    1,093,068,340.10x = 1,619,321,357,870,283,520
  5. Step 5: Solve for x
    x = 1,619,321,357,870,283,520/1,093,068,340.10
  6. Step 6: Final answer
    x = 1,481,445,668.55

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Half scale
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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.