Home / 409,603,788.18-565,308,527.94-231,024,333.15

Finding the Fourth Proportional to 409,603,788.18, 565,308,527.94 and 231,024,333.15

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Solution

The fourth proportional to 409,603,788.18, 565,308,527.94 and 231,024,333.15 is: 318,844,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,603,788.18 : 565,308,527.94 = 231,024,333.15 : x
  2. Step 2: Convert to fraction form
    409,603,788.18/565,308,527.94 = 231,024,333.15/x
  3. Step 3: Cross multiply
    409,603,788.18x = 565,308,527.94 × 231,024,333.15
  4. Step 4: Simplify right side
    409,603,788.18x = 130,600,025,691,346,656
  5. Step 5: Solve for x
    x = 130,600,025,691,346,656/409,603,788.18
  6. Step 6: Final answer
    x = 318,844,770.14

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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.