Home / 827,141,669.40-1,240,712,504.10-736,743,555.30

Finding the Fourth Proportional to 827,141,669.40, 1,240,712,504.10 and 736,743,555.30

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Solution

The fourth proportional to 827,141,669.40, 1,240,712,504.10 and 736,743,555.30 is: 1,105,115,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,141,669.40 : 1,240,712,504.10 = 736,743,555.30 : x
  2. Step 2: Convert to fraction form
    827,141,669.40/1,240,712,504.10 = 736,743,555.30/x
  3. Step 3: Cross multiply
    827,141,669.40x = 1,240,712,504.10 × 736,743,555.30
  4. Step 4: Simplify right side
    827,141,669.40x = 914,086,941,375,799,680
  5. Step 5: Solve for x
    x = 914,086,941,375,799,680/827,141,669.40
  6. Step 6: Final answer
    x = 1,105,115,332.95

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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.