Home / 442,928,895.03-663,769,563.57-338,895,333.54

Finding the Fourth Proportional to 442,928,895.03, 663,769,563.57 and 338,895,333.54

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Solution

The fourth proportional to 442,928,895.03, 663,769,563.57 and 338,895,333.54 is: 507,865,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,928,895.03 : 663,769,563.57 = 338,895,333.54 : x
  2. Step 2: Convert to fraction form
    442,928,895.03/663,769,563.57 = 338,895,333.54/x
  3. Step 3: Cross multiply
    442,928,895.03x = 663,769,563.57 × 338,895,333.54
  4. Step 4: Simplify right side
    442,928,895.03x = 224,948,407,639,755,424
  5. Step 5: Solve for x
    x = 224,948,407,639,755,424/442,928,895.03
  6. Step 6: Final answer
    x = 507,865,732.32

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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.