Home / 663,821,135.88-995,240,818.89-401,447,356.59

Finding the Fourth Proportional to 663,821,135.88, 995,240,818.89 and 401,447,356.59

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Solution

The fourth proportional to 663,821,135.88, 995,240,818.89 and 401,447,356.59 is: 601,874,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,821,135.88 : 995,240,818.89 = 401,447,356.59 : x
  2. Step 2: Convert to fraction form
    663,821,135.88/995,240,818.89 = 401,447,356.59/x
  3. Step 3: Cross multiply
    663,821,135.88x = 995,240,818.89 × 401,447,356.59
  4. Step 4: Simplify right side
    663,821,135.88x = 399,536,795,913,857,408
  5. Step 5: Solve for x
    x = 399,536,795,913,857,408/663,821,135.88
  6. Step 6: Final answer
    x = 601,874,171.10

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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.