Home / 541,728,215.20-812,592,322.80-403,775,754.40

Finding the Fourth Proportional to 541,728,215.20, 812,592,322.80 and 403,775,754.40

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Solution

The fourth proportional to 541,728,215.20, 812,592,322.80 and 403,775,754.40 is: 605,663,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,728,215.20 : 812,592,322.80 = 403,775,754.40 : x
  2. Step 2: Convert to fraction form
    541,728,215.20/812,592,322.80 = 403,775,754.40/x
  3. Step 3: Cross multiply
    541,728,215.20x = 812,592,322.80 × 403,775,754.40
  4. Step 4: Simplify right side
    541,728,215.20x = 328,105,078,158,218,304
  5. Step 5: Solve for x
    x = 328,105,078,158,218,304/541,728,215.20
  6. Step 6: Final answer
    x = 605,663,631.60

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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.