Home / 726,700,862.80-1,088,752,216.20-442,242,146.80

Finding the Fourth Proportional to 726,700,862.80, 1,088,752,216.20 and 442,242,146.80

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Solution

The fourth proportional to 726,700,862.80, 1,088,752,216.20 and 442,242,146.80 is: 662,572,651.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,700,862.80 : 1,088,752,216.20 = 442,242,146.80 : x
  2. Step 2: Convert to fraction form
    726,700,862.80/1,088,752,216.20 = 442,242,146.80/x
  3. Step 3: Cross multiply
    726,700,862.80x = 1,088,752,216.20 × 442,242,146.80
  4. Step 4: Simplify right side
    726,700,862.80x = 481,492,117,425,545,792
  5. Step 5: Solve for x
    x = 481,492,117,425,545,792/726,700,862.80
  6. Step 6: Final answer
    x = 662,572,651.38

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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.