Home / 970,882,522.08-1,340,182,233.68-636,376,601.25

Finding the Fourth Proportional to 970,882,522.08, 1,340,182,233.68 and 636,376,601.25

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Solution

The fourth proportional to 970,882,522.08, 1,340,182,233.68 and 636,376,601.25 is: 878,438,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,882,522.08 : 1,340,182,233.68 = 636,376,601.25 : x
  2. Step 2: Convert to fraction form
    970,882,522.08/1,340,182,233.68 = 636,376,601.25/x
  3. Step 3: Cross multiply
    970,882,522.08x = 1,340,182,233.68 × 636,376,601.25
  4. Step 4: Simplify right side
    970,882,522.08x = 852,860,614,921,729,792
  5. Step 5: Solve for x
    x = 852,860,614,921,729,792/970,882,522.08
  6. Step 6: Final answer
    x = 878,438,529.41

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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.