Home / 1,187,286,226-1,781,051,373.56-410,930,619.28

Finding the Fourth Proportional to 1,187,286,226, 1,781,051,373.56 and 410,930,619.28

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Solution

The fourth proportional to 1,187,286,226, 1,781,051,373.56 and 410,930,619.28 is: 616,438,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,286,226 : 1,781,051,373.56 = 410,930,619.28 : x
  2. Step 2: Convert to fraction form
    1,187,286,226/1,781,051,373.56 = 410,930,619.28/x
  3. Step 3: Cross multiply
    1,187,286,226x = 1,781,051,373.56 × 410,930,619.28
  4. Step 4: Simplify right side
    1,187,286,226x = 731,888,543,906,505,344
  5. Step 5: Solve for x
    x = 731,888,543,906,505,344/1,187,286,226
  6. Step 6: Final answer
    x = 616,438,166.20

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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.