Home / 970,882,521.98-1,340,182,233.56-636,376,601.18

Finding the Fourth Proportional to 970,882,521.98, 1,340,182,233.56 and 636,376,601.18

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Solution

The fourth proportional to 970,882,521.98, 1,340,182,233.56 and 636,376,601.18 is: 878,438,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,882,521.98 : 1,340,182,233.56 = 636,376,601.18 : x
  2. Step 2: Convert to fraction form
    970,882,521.98/1,340,182,233.56 = 636,376,601.18/x
  3. Step 3: Cross multiply
    970,882,521.98x = 1,340,182,233.56 × 636,376,601.18
  4. Step 4: Simplify right side
    970,882,521.98x = 852,860,614,744,850,944
  5. Step 5: Solve for x
    x = 852,860,614,744,850,944/970,882,521.98
  6. Step 6: Final answer
    x = 878,438,529.32

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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.