Home / 8,071,569,131.60-12,107,353,697.40-7,374,212,251.40

Finding the Fourth Proportional to 8,071,569,131.60, 12,107,353,697.40 and 7,374,212,251.40

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Solution

The fourth proportional to 8,071,569,131.60, 12,107,353,697.40 and 7,374,212,251.40 is: 11,061,318,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071,569,131.60 : 12,107,353,697.40 = 7,374,212,251.40 : x
  2. Step 2: Convert to fraction form
    8,071,569,131.60/12,107,353,697.40 = 7,374,212,251.40/x
  3. Step 3: Cross multiply
    8,071,569,131.60x = 12,107,353,697.40 × 7,374,212,251.40
  4. Step 4: Simplify right side
    8,071,569,131.60x = 89,282,195,967,400,165,376
  5. Step 5: Solve for x
    x = 89,282,195,967,400,165,376/8,071,569,131.60
  6. Step 6: Final answer
    x = 11,061,318,377.10

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Double scale
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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.