Home / 705,251,036.70-1,057,876,555.05-187,733,790.90

Finding the Fourth Proportional to 705,251,036.70, 1,057,876,555.05 and 187,733,790.90

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Solution

The fourth proportional to 705,251,036.70, 1,057,876,555.05 and 187,733,790.90 is: 281,600,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,251,036.70 : 1,057,876,555.05 = 187,733,790.90 : x
  2. Step 2: Convert to fraction form
    705,251,036.70/1,057,876,555.05 = 187,733,790.90/x
  3. Step 3: Cross multiply
    705,251,036.70x = 1,057,876,555.05 × 187,733,790.90
  4. Step 4: Simplify right side
    705,251,036.70x = 198,599,175,983,769,024
  5. Step 5: Solve for x
    x = 198,599,175,983,769,024/705,251,036.70
  6. Step 6: Final answer
    x = 281,600,686.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.