Home / 9,404,693,820.89-12,978,479,591.33-5,175,605,709.52

Finding the Fourth Proportional to 9,404,693,820.89, 12,978,479,591.33 and 5,175,605,709.52

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Solution

The fourth proportional to 9,404,693,820.89, 12,978,479,591.33 and 5,175,605,709.52 is: 7,142,337,044.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,404,693,820.89 : 12,978,479,591.33 = 5,175,605,709.52 : x
  2. Step 2: Convert to fraction form
    9,404,693,820.89/12,978,479,591.33 = 5,175,605,709.52/x
  3. Step 3: Cross multiply
    9,404,693,820.89x = 12,978,479,591.33 × 5,175,605,709.52
  4. Step 4: Simplify right side
    9,404,693,820.89x = 67,171,493,073,776,353,280
  5. Step 5: Solve for x
    x = 67,171,493,073,776,353,280/9,404,693,820.89
  6. Step 6: Final answer
    x = 7,142,337,044.99

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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.