Home / 928,248,190.39-1,392,530,915.99-382,691,495.35

Finding the Fourth Proportional to 928,248,190.39, 1,392,530,915.99 and 382,691,495.35

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Solution

The fourth proportional to 928,248,190.39, 1,392,530,915.99 and 382,691,495.35 is: 574,102,642.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,248,190.39 : 1,392,530,915.99 = 382,691,495.35 : x
  2. Step 2: Convert to fraction form
    928,248,190.39/1,392,530,915.99 = 382,691,495.35/x
  3. Step 3: Cross multiply
    928,248,190.39x = 1,392,530,915.99 × 382,691,495.35
  4. Step 4: Simplify right side
    928,248,190.39x = 532,909,738,561,318,336
  5. Step 5: Solve for x
    x = 532,909,738,561,318,336/928,248,190.39
  6. Step 6: Final answer
    x = 574,102,642.03

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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.