Home / 438,055,233.40-657,082,850.10-114,971,764.60

Finding the Fourth Proportional to 438,055,233.40, 657,082,850.10 and 114,971,764.60

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Solution

The fourth proportional to 438,055,233.40, 657,082,850.10 and 114,971,764.60 is: 172,457,646.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,055,233.40 : 657,082,850.10 = 114,971,764.60 : x
  2. Step 2: Convert to fraction form
    438,055,233.40/657,082,850.10 = 114,971,764.60/x
  3. Step 3: Cross multiply
    438,055,233.40x = 657,082,850.10 × 114,971,764.60
  4. Step 4: Simplify right side
    438,055,233.40x = 75,545,974,764,394,288
  5. Step 5: Solve for x
    x = 75,545,974,764,394,288/438,055,233.40
  6. Step 6: Final answer
    x = 172,457,646.90

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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.