Home / 663,821,111.20-995,240,781.85-401,447,331.94

Finding the Fourth Proportional to 663,821,111.20, 995,240,781.85 and 401,447,331.94

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Solution

The fourth proportional to 663,821,111.20, 995,240,781.85 and 401,447,331.94 is: 601,874,134.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,821,111.20 : 995,240,781.85 = 401,447,331.94 : x
  2. Step 2: Convert to fraction form
    663,821,111.20/995,240,781.85 = 401,447,331.94/x
  3. Step 3: Cross multiply
    663,821,111.20x = 995,240,781.85 × 401,447,331.94
  4. Step 4: Simplify right side
    663,821,111.20x = 399,536,756,507,616,704
  5. Step 5: Solve for x
    x = 399,536,756,507,616,704/663,821,111.20
  6. Step 6: Final answer
    x = 601,874,134.11

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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.