Home / 454,108,844.20-681,163,266.30-310,781,612.20

Finding the Fourth Proportional to 454,108,844.20, 681,163,266.30 and 310,781,612.20

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Solution

The fourth proportional to 454,108,844.20, 681,163,266.30 and 310,781,612.20 is: 466,172,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,108,844.20 : 681,163,266.30 = 310,781,612.20 : x
  2. Step 2: Convert to fraction form
    454,108,844.20/681,163,266.30 = 310,781,612.20/x
  3. Step 3: Cross multiply
    454,108,844.20x = 681,163,266.30 × 310,781,612.20
  4. Step 4: Simplify right side
    454,108,844.20x = 211,693,018,072,131,904
  5. Step 5: Solve for x
    x = 211,693,018,072,131,904/454,108,844.20
  6. Step 6: Final answer
    x = 466,172,418.30

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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.