Home / 630,757,758,622.52-870,434,360,418.84-356,397,520,494.44

Finding the Fourth Proportional to 630,757,758,622.52, 870,434,360,418.84 and 356,397,520,494.44

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Solution

The fourth proportional to 630,757,758,622.52, 870,434,360,418.84 and 356,397,520,494.44 is: 491,822,167,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,757,758,622.52 : 870,434,360,418.84 = 356,397,520,494.44 : x
  2. Step 2: Convert to fraction form
    630,757,758,622.52/870,434,360,418.84 = 356,397,520,494.44/x
  3. Step 3: Cross multiply
    630,757,758,622.52x = 870,434,360,418.84 × 356,397,520,494.44
  4. Step 4: Simplify right side
    630,757,758,622.52x = 310,220,647,806,438,270,304,256
  5. Step 5: Solve for x
    x = 310,220,647,806,438,270,304,256/630,757,758,622.52
  6. Step 6: Final answer
    x = 491,822,167,172.25

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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.