Home / 634,656,253.88-875,825,626.25-356,197,777.41

Finding the Fourth Proportional to 634,656,253.88, 875,825,626.25 and 356,197,777.41

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Solution

The fourth proportional to 634,656,253.88, 875,825,626.25 and 356,197,777.41 is: 491,552,930.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,656,253.88 : 875,825,626.25 = 356,197,777.41 : x
  2. Step 2: Convert to fraction form
    634,656,253.88/875,825,626.25 = 356,197,777.41/x
  3. Step 3: Cross multiply
    634,656,253.88x = 875,825,626.25 × 356,197,777.41
  4. Step 4: Simplify right side
    634,656,253.88x = 311,967,141,467,190,400
  5. Step 5: Solve for x
    x = 311,967,141,467,190,400/634,656,253.88
  6. Step 6: Final answer
    x = 491,552,930.52

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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.