Home / 440,825,507.15-661,239,620.51-108,832,555.13

Finding the Fourth Proportional to 440,825,507.15, 661,239,620.51 and 108,832,555.13

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Solution

The fourth proportional to 440,825,507.15, 661,239,620.51 and 108,832,555.13 is: 163,249,168.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,825,507.15 : 661,239,620.51 = 108,832,555.13 : x
  2. Step 2: Convert to fraction form
    440,825,507.15/661,239,620.51 = 108,832,555.13/x
  3. Step 3: Cross multiply
    440,825,507.15x = 661,239,620.51 × 108,832,555.13
  4. Step 4: Simplify right side
    440,825,507.15x = 71,964,397,449,444,496
  5. Step 5: Solve for x
    x = 71,964,397,449,444,496/440,825,507.15
  6. Step 6: Final answer
    x = 163,249,168.40

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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.