Home / 541,728,233.20-812,592,349.80-403,775,772.40

Finding the Fourth Proportional to 541,728,233.20, 812,592,349.80 and 403,775,772.40

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Solution

The fourth proportional to 541,728,233.20, 812,592,349.80 and 403,775,772.40 is: 605,663,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,728,233.20 : 812,592,349.80 = 403,775,772.40 : x
  2. Step 2: Convert to fraction form
    541,728,233.20/812,592,349.80 = 403,775,772.40/x
  3. Step 3: Cross multiply
    541,728,233.20x = 812,592,349.80 × 403,775,772.40
  4. Step 4: Simplify right side
    541,728,233.20x = 328,105,103,686,825,920
  5. Step 5: Solve for x
    x = 328,105,103,686,825,920/541,728,233.20
  6. Step 6: Final answer
    x = 605,663,658.60

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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.