Home / 454,435,521.40-681,653,282.10-381,876,110.20

Finding the Fourth Proportional to 454,435,521.40, 681,653,282.10 and 381,876,110.20

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Solution

The fourth proportional to 454,435,521.40, 681,653,282.10 and 381,876,110.20 is: 572,814,165.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,435,521.40 : 681,653,282.10 = 381,876,110.20 : x
  2. Step 2: Convert to fraction form
    454,435,521.40/681,653,282.10 = 381,876,110.20/x
  3. Step 3: Cross multiply
    454,435,521.40x = 681,653,282.10 × 381,876,110.20
  4. Step 4: Simplify right side
    454,435,521.40x = 260,307,103,873,411,296
  5. Step 5: Solve for x
    x = 260,307,103,873,411,296/454,435,521.40
  6. Step 6: Final answer
    x = 572,814,165.30

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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.