Home / 1,093,068,288.60-1,639,602,432.90-987,630,394.20

Finding the Fourth Proportional to 1,093,068,288.60, 1,639,602,432.90 and 987,630,394.20

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Solution

The fourth proportional to 1,093,068,288.60, 1,639,602,432.90 and 987,630,394.20 is: 1,481,445,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,068,288.60 : 1,639,602,432.90 = 987,630,394.20 : x
  2. Step 2: Convert to fraction form
    1,093,068,288.60/1,639,602,432.90 = 987,630,394.20/x
  3. Step 3: Cross multiply
    1,093,068,288.60x = 1,639,602,432.90 × 987,630,394.20
  4. Step 4: Simplify right side
    1,093,068,288.60x = 1,619,321,197,136,306,176
  5. Step 5: Solve for x
    x = 1,619,321,197,136,306,176/1,093,068,288.60
  6. Step 6: Final answer
    x = 1,481,445,591.30

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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.