Home / 436,538,113.20-654,807,169.80-206,955,601.20

Finding the Fourth Proportional to 436,538,113.20, 654,807,169.80 and 206,955,601.20

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Solution

The fourth proportional to 436,538,113.20, 654,807,169.80 and 206,955,601.20 is: 310,433,401.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,538,113.20 : 654,807,169.80 = 206,955,601.20 : x
  2. Step 2: Convert to fraction form
    436,538,113.20/654,807,169.80 = 206,955,601.20/x
  3. Step 3: Cross multiply
    436,538,113.20x = 654,807,169.80 × 206,955,601.20
  4. Step 4: Simplify right side
    436,538,113.20x = 135,516,011,496,029,472
  5. Step 5: Solve for x
    x = 135,516,011,496,029,472/436,538,113.20
  6. Step 6: Final answer
    x = 310,433,401.80

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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.