Home / 402,313,666.80-603,612,217.80-197,704,945.20

Finding the Fourth Proportional to 402,313,666.80, 603,612,217.80 and 197,704,945.20

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Solution

The fourth proportional to 402,313,666.80, 603,612,217.80 and 197,704,945.20 is: 296,627,060.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,313,666.80 : 603,612,217.80 = 197,704,945.20 : x
  2. Step 2: Convert to fraction form
    402,313,666.80/603,612,217.80 = 197,704,945.20/x
  3. Step 3: Cross multiply
    402,313,666.80x = 603,612,217.80 × 197,704,945.20
  4. Step 4: Simplify right side
    402,313,666.80x = 119,337,120,442,199,440
  5. Step 5: Solve for x
    x = 119,337,120,442,199,440/402,313,666.80
  6. Step 6: Final answer
    x = 296,627,060.65

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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.