Home / 413,473,307.93-619,625,375.88-229,321,915.55

Finding the Fourth Proportional to 413,473,307.93, 619,625,375.88 and 229,321,915.55

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Solution

The fourth proportional to 413,473,307.93, 619,625,375.88 and 229,321,915.55 is: 343,658,648.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,473,307.93 : 619,625,375.88 = 229,321,915.55 : x
  2. Step 2: Convert to fraction form
    413,473,307.93/619,625,375.88 = 229,321,915.55/x
  3. Step 3: Cross multiply
    413,473,307.93x = 619,625,375.88 × 229,321,915.55
  4. Step 4: Simplify right side
    413,473,307.93x = 142,093,678,120,190,368
  5. Step 5: Solve for x
    x = 142,093,678,120,190,368/413,473,307.93
  6. Step 6: Final answer
    x = 343,658,648.32

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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.