Home / 440,621,872.24-660,792,585.84-145,462,035.24

Finding the Fourth Proportional to 440,621,872.24, 660,792,585.84 and 145,462,035.24

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Solution

The fourth proportional to 440,621,872.24, 660,792,585.84 and 145,462,035.24 is: 218,146,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,621,872.24 : 660,792,585.84 = 145,462,035.24 : x
  2. Step 2: Convert to fraction form
    440,621,872.24/660,792,585.84 = 145,462,035.24/x
  3. Step 3: Cross multiply
    440,621,872.24x = 660,792,585.84 × 145,462,035.24
  4. Step 4: Simplify right side
    440,621,872.24x = 96,120,234,407,788,816
  5. Step 5: Solve for x
    x = 96,120,234,407,788,816/440,621,872.24
  6. Step 6: Final answer
    x = 218,146,761.35

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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.