Home / 663,552,107.20-995,328,160.80-376,897,643.20

Finding the Fourth Proportional to 663,552,107.20, 995,328,160.80 and 376,897,643.20

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Solution

The fourth proportional to 663,552,107.20, 995,328,160.80 and 376,897,643.20 is: 565,346,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,107.20 : 995,328,160.80 = 376,897,643.20 : x
  2. Step 2: Convert to fraction form
    663,552,107.20/995,328,160.80 = 376,897,643.20/x
  3. Step 3: Cross multiply
    663,552,107.20x = 995,328,160.80 × 376,897,643.20
  4. Step 4: Simplify right side
    663,552,107.20x = 375,136,838,016,110,592
  5. Step 5: Solve for x
    x = 375,136,838,016,110,592/663,552,107.20
  6. Step 6: Final answer
    x = 565,346,464.80

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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.