Home / 7,839,540,339.30-11,759,310,508.95-7,240,925,196.90

Finding the Fourth Proportional to 7,839,540,339.30, 11,759,310,508.95 and 7,240,925,196.90

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Solution

The fourth proportional to 7,839,540,339.30, 11,759,310,508.95 and 7,240,925,196.90 is: 10,861,387,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839,540,339.30 : 11,759,310,508.95 = 7,240,925,196.90 : x
  2. Step 2: Convert to fraction form
    7,839,540,339.30/11,759,310,508.95 = 7,240,925,196.90/x
  3. Step 3: Cross multiply
    7,839,540,339.30x = 11,759,310,508.95 × 7,240,925,196.90
  4. Step 4: Simplify right side
    7,839,540,339.30x = 85,148,287,762,427,019,264
  5. Step 5: Solve for x
    x = 85,148,287,762,427,019,264/7,839,540,339.30
  6. Step 6: Final answer
    x = 10,861,387,795.35

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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.