Home / 627,340,002.40-941,010,003.60-368,679,138.40

Finding the Fourth Proportional to 627,340,002.40, 941,010,003.60 and 368,679,138.40

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Solution

The fourth proportional to 627,340,002.40, 941,010,003.60 and 368,679,138.40 is: 553,018,707.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,340,002.40 : 941,010,003.60 = 368,679,138.40 : x
  2. Step 2: Convert to fraction form
    627,340,002.40/941,010,003.60 = 368,679,138.40/x
  3. Step 3: Cross multiply
    627,340,002.40x = 941,010,003.60 × 368,679,138.40
  4. Step 4: Simplify right side
    627,340,002.40x = 346,930,757,353,028,864
  5. Step 5: Solve for x
    x = 346,930,757,353,028,864/627,340,002.40
  6. Step 6: Final answer
    x = 553,018,707.60

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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.