Home / 603,614,002.20-905,421,003.30-396,989,741.40

Finding the Fourth Proportional to 603,614,002.20, 905,421,003.30 and 396,989,741.40

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Solution

The fourth proportional to 603,614,002.20, 905,421,003.30 and 396,989,741.40 is: 595,484,612.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,614,002.20 : 905,421,003.30 = 396,989,741.40 : x
  2. Step 2: Convert to fraction form
    603,614,002.20/905,421,003.30 = 396,989,741.40/x
  3. Step 3: Cross multiply
    603,614,002.20x = 905,421,003.30 × 396,989,741.40
  4. Step 4: Simplify right side
    603,614,002.20x = 359,442,849,958,195,520
  5. Step 5: Solve for x
    x = 359,442,849,958,195,520/603,614,002.20
  6. Step 6: Final answer
    x = 595,484,612.10

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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.