Home / 409,181,870.83-614,160,843.53-253,264,042.76

Finding the Fourth Proportional to 409,181,870.83, 614,160,843.53 and 253,264,042.76

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Solution

The fourth proportional to 409,181,870.83, 614,160,843.53 and 253,264,042.76 is: 380,136,240.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,181,870.83 : 614,160,843.53 = 253,264,042.76 : x
  2. Step 2: Convert to fraction form
    409,181,870.83/614,160,843.53 = 253,264,042.76/x
  3. Step 3: Cross multiply
    409,181,870.83x = 614,160,843.53 × 253,264,042.76
  4. Step 4: Simplify right side
    409,181,870.83x = 155,544,858,135,131,040
  5. Step 5: Solve for x
    x = 155,544,858,135,131,040/409,181,870.83
  6. Step 6: Final answer
    x = 380,136,240.69

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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.