Home / 15,537,029,079.66-21,442,761,732.51-9,519,527,951.34

Finding the Fourth Proportional to 15,537,029,079.66, 21,442,761,732.51 and 9,519,527,951.34

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Solution

The fourth proportional to 15,537,029,079.66, 21,442,761,732.51 and 9,519,527,951.34 is: 13,137,966,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537,029,079.66 : 21,442,761,732.51 = 9,519,527,951.34 : x
  2. Step 2: Convert to fraction form
    15,537,029,079.66/21,442,761,732.51 = 9,519,527,951.34/x
  3. Step 3: Cross multiply
    15,537,029,079.66x = 21,442,761,732.51 × 9,519,527,951.34
  4. Step 4: Simplify right side
    15,537,029,079.66x = 204,124,969,666,552,659,968
  5. Step 5: Solve for x
    x = 204,124,969,666,552,659,968/15,537,029,079.66
  6. Step 6: Final answer
    x = 13,137,966,635.71

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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.