Home / 1,639,571,970,761.60-2,262,680,443,100.80-907,960,377,338.75

Finding the Fourth Proportional to 1,639,571,970,761.60, 2,262,680,443,100.80 and 907,960,377,338.75

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Solution

The fourth proportional to 1,639,571,970,761.60, 2,262,680,443,100.80 and 907,960,377,338.75 is: 1,253,024,707,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,571,970,761.60 : 2,262,680,443,100.80 = 907,960,377,338.75 : x
  2. Step 2: Convert to fraction form
    1,639,571,970,761.60/2,262,680,443,100.80 = 907,960,377,338.75/x
  3. Step 3: Cross multiply
    1,639,571,970,761.60x = 2,262,680,443,100.80 × 907,960,377,338.75
  4. Step 4: Simplify right side
    1,639,571,970,761.60x = 2,054,424,188,914,812,344,860,672
  5. Step 5: Solve for x
    x = 2,054,424,188,914,812,344,860,672/1,639,571,970,761.60
  6. Step 6: Final answer
    x = 1,253,024,707,393.91

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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.