Home / 18,338,694,806.79-25,307,484,535.76-10,418,532,743.43

Finding the Fourth Proportional to 18,338,694,806.79, 25,307,484,535.76 and 10,418,532,743.43

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Solution

The fourth proportional to 18,338,694,806.79, 25,307,484,535.76 and 10,418,532,743.43 is: 14,377,623,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338,694,806.79 : 25,307,484,535.76 = 10,418,532,743.43 : x
  2. Step 2: Convert to fraction form
    18,338,694,806.79/25,307,484,535.76 = 10,418,532,743.43/x
  3. Step 3: Cross multiply
    18,338,694,806.79x = 25,307,484,535.76 × 10,418,532,743.43
  4. Step 4: Simplify right side
    18,338,694,806.79x = 263,666,856,289,611,874,304
  5. Step 5: Solve for x
    x = 263,666,856,289,611,874,304/18,338,694,806.79
  6. Step 6: Final answer
    x = 14,377,623,874.95

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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.