Home / 361,375,130.88-498,700,830.24-196,362,699.84

Finding the Fourth Proportional to 361,375,130.88, 498,700,830.24 and 196,362,699.84

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Solution

The fourth proportional to 361,375,130.88, 498,700,830.24 and 196,362,699.84 is: 270,982,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,375,130.88 : 498,700,830.24 = 196,362,699.84 : x
  2. Step 2: Convert to fraction form
    361,375,130.88/498,700,830.24 = 196,362,699.84/x
  3. Step 3: Cross multiply
    361,375,130.88x = 498,700,830.24 × 196,362,699.84
  4. Step 4: Simplify right side
    361,375,130.88x = 97,926,241,438,375,920
  5. Step 5: Solve for x
    x = 97,926,241,438,375,920/361,375,130.88
  6. Step 6: Final answer
    x = 270,982,237.21

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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.