Home / 9,021,790,861.70-12,449,061,607.82-5,007,630,344.65

Finding the Fourth Proportional to 9,021,790,861.70, 12,449,061,607.82 and 5,007,630,344.65

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Solution

The fourth proportional to 9,021,790,861.70, 12,449,061,607.82 and 5,007,630,344.65 is: 6,909,969,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021,790,861.70 : 12,449,061,607.82 = 5,007,630,344.65 : x
  2. Step 2: Convert to fraction form
    9,021,790,861.70/12,449,061,607.82 = 5,007,630,344.65/x
  3. Step 3: Cross multiply
    9,021,790,861.70x = 12,449,061,607.82 × 5,007,630,344.65
  4. Step 4: Simplify right side
    9,021,790,861.70x = 62,340,298,669,681,836,032
  5. Step 5: Solve for x
    x = 62,340,298,669,681,836,032/9,021,790,861.70
  6. Step 6: Final answer
    x = 6,909,969,386.94

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.