Home / 456,923,149.68-685,656,988.20-165,812,973.36

Finding the Fourth Proportional to 456,923,149.68, 685,656,988.20 and 165,812,973.36

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Solution

The fourth proportional to 456,923,149.68, 685,656,988.20 and 165,812,973.36 is: 248,818,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,923,149.68 : 685,656,988.20 = 165,812,973.36 : x
  2. Step 2: Convert to fraction form
    456,923,149.68/685,656,988.20 = 165,812,973.36/x
  3. Step 3: Cross multiply
    456,923,149.68x = 685,656,988.20 × 165,812,973.36
  4. Step 4: Simplify right side
    456,923,149.68x = 113,690,823,918,504,448
  5. Step 5: Solve for x
    x = 113,690,823,918,504,448/456,923,149.68
  6. Step 6: Final answer
    x = 248,818,261.89

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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.