Home / 679,774,687,049.62-938,512,506,022.88-432,716,416,099.20

Finding the Fourth Proportional to 679,774,687,049.62, 938,512,506,022.88 and 432,716,416,099.20

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Solution

The fourth proportional to 679,774,687,049.62, 938,512,506,022.88 and 432,716,416,099.20 is: 597,418,197,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,774,687,049.62 : 938,512,506,022.88 = 432,716,416,099.20 : x
  2. Step 2: Convert to fraction form
    679,774,687,049.62/938,512,506,022.88 = 432,716,416,099.20/x
  3. Step 3: Cross multiply
    679,774,687,049.62x = 938,512,506,022.88 × 432,716,416,099.20
  4. Step 4: Simplify right side
    679,774,687,049.62x = 406,109,768,070,499,491,905,536
  5. Step 5: Solve for x
    x = 406,109,768,070,499,491,905,536/679,774,687,049.62
  6. Step 6: Final answer
    x = 597,418,197,245.78

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1.5x scale

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.