Home / 400,437,601.20-600,656,401.80-141,944,698.80

Finding the Fourth Proportional to 400,437,601.20, 600,656,401.80 and 141,944,698.80

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Solution

The fourth proportional to 400,437,601.20, 600,656,401.80 and 141,944,698.80 is: 212,917,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,437,601.20 : 600,656,401.80 = 141,944,698.80 : x
  2. Step 2: Convert to fraction form
    400,437,601.20/600,656,401.80 = 141,944,698.80/x
  3. Step 3: Cross multiply
    400,437,601.20x = 600,656,401.80 × 141,944,698.80
  4. Step 4: Simplify right side
    400,437,601.20x = 85,259,992,035,792,784
  5. Step 5: Solve for x
    x = 85,259,992,035,792,784/400,437,601.20
  6. Step 6: Final answer
    x = 212,917,048.20

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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.