Home / 440,708,001.20-661,062,001.80-265,356,090.80

Finding the Fourth Proportional to 440,708,001.20, 661,062,001.80 and 265,356,090.80

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Solution

The fourth proportional to 440,708,001.20, 661,062,001.80 and 265,356,090.80 is: 398,034,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,708,001.20 : 661,062,001.80 = 265,356,090.80 : x
  2. Step 2: Convert to fraction form
    440,708,001.20/661,062,001.80 = 265,356,090.80/x
  3. Step 3: Cross multiply
    440,708,001.20x = 661,062,001.80 × 265,356,090.80
  4. Step 4: Simplify right side
    440,708,001.20x = 175,416,828,574,070,560
  5. Step 5: Solve for x
    x = 175,416,828,574,070,560/440,708,001.20
  6. Step 6: Final answer
    x = 398,034,136.20

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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.