Home / 726,702,423.80-1,088,754,557.70-442,243,707.80

Finding the Fourth Proportional to 726,702,423.80, 1,088,754,557.70 and 442,243,707.80

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Solution

The fourth proportional to 726,702,423.80, 1,088,754,557.70 and 442,243,707.80 is: 662,574,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,702,423.80 : 1,088,754,557.70 = 442,243,707.80 : x
  2. Step 2: Convert to fraction form
    726,702,423.80/1,088,754,557.70 = 442,243,707.80/x
  3. Step 3: Cross multiply
    726,702,423.80x = 1,088,754,557.70 × 442,243,707.80
  4. Step 4: Simplify right side
    726,702,423.80x = 481,494,852,481,397,056
  5. Step 5: Solve for x
    x = 481,494,852,481,397,056/726,702,423.80
  6. Step 6: Final answer
    x = 662,574,991.79

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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.