Home / 663,997,954.15-996,341,624.30-270,813,237.09

Finding the Fourth Proportional to 663,997,954.15, 996,341,624.30 and 270,813,237.09

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Solution

The fourth proportional to 663,997,954.15, 996,341,624.30 and 270,813,237.09 is: 406,360,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,997,954.15 : 996,341,624.30 = 270,813,237.09 : x
  2. Step 2: Convert to fraction form
    663,997,954.15/996,341,624.30 = 270,813,237.09/x
  3. Step 3: Cross multiply
    663,997,954.15x = 996,341,624.30 × 270,813,237.09
  4. Step 4: Simplify right side
    663,997,954.15x = 269,822,500,524,191,552
  5. Step 5: Solve for x
    x = 269,822,500,524,191,552/663,997,954.15
  6. Step 6: Final answer
    x = 406,360,439.57

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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.