Home / 425,744,002.60-638,616,003.90-196,161,490.60

Finding the Fourth Proportional to 425,744,002.60, 638,616,003.90 and 196,161,490.60

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Solution

The fourth proportional to 425,744,002.60, 638,616,003.90 and 196,161,490.60 is: 294,242,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,744,002.60 : 638,616,003.90 = 196,161,490.60 : x
  2. Step 2: Convert to fraction form
    425,744,002.60/638,616,003.90 = 196,161,490.60/x
  3. Step 3: Cross multiply
    425,744,002.60x = 638,616,003.90 × 196,161,490.60
  4. Step 4: Simplify right side
    425,744,002.60x = 125,271,867,246,039,408
  5. Step 5: Solve for x
    x = 125,271,867,246,039,408/425,744,002.60
  6. Step 6: Final answer
    x = 294,242,235.90

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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.