Home / 552,548,445.99-762,519,290.93-305,031,834.15

Finding the Fourth Proportional to 552,548,445.99, 762,519,290.93 and 305,031,834.15

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Solution

The fourth proportional to 552,548,445.99, 762,519,290.93 and 305,031,834.15 is: 420,945,275.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,548,445.99 : 762,519,290.93 = 305,031,834.15 : x
  2. Step 2: Convert to fraction form
    552,548,445.99/762,519,290.93 = 305,031,834.15/x
  3. Step 3: Cross multiply
    552,548,445.99x = 762,519,290.93 × 305,031,834.15
  4. Step 4: Simplify right side
    552,548,445.99x = 232,592,657,887,135,328
  5. Step 5: Solve for x
    x = 232,592,657,887,135,328/552,548,445.99
  6. Step 6: Final answer
    x = 420,945,275.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.