Home / 402,226,555.05-603,339,832.58-218,560,545.45

Finding the Fourth Proportional to 402,226,555.05, 603,339,832.58 and 218,560,545.45

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Solution

The fourth proportional to 402,226,555.05, 603,339,832.58 and 218,560,545.45 is: 327,840,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,226,555.05 : 603,339,832.58 = 218,560,545.45 : x
  2. Step 2: Convert to fraction form
    402,226,555.05/603,339,832.58 = 218,560,545.45/x
  3. Step 3: Cross multiply
    402,226,555.05x = 603,339,832.58 × 218,560,545.45
  4. Step 4: Simplify right side
    402,226,555.05x = 131,866,282,899,303,680
  5. Step 5: Solve for x
    x = 131,866,282,899,303,680/402,226,555.05
  6. Step 6: Final answer
    x = 327,840,818.18

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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.