Home / 402,294,387.83-603,441,581.74-198,221,043.83

Finding the Fourth Proportional to 402,294,387.83, 603,441,581.74 and 198,221,043.83

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Solution

The fourth proportional to 402,294,387.83, 603,441,581.74 and 198,221,043.83 is: 297,331,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,294,387.83 : 603,441,581.74 = 198,221,043.83 : x
  2. Step 2: Convert to fraction form
    402,294,387.83/603,441,581.74 = 198,221,043.83/x
  3. Step 3: Cross multiply
    402,294,387.83x = 603,441,581.74 × 198,221,043.83
  4. Step 4: Simplify right side
    402,294,387.83x = 119,614,820,219,416,288
  5. Step 5: Solve for x
    x = 119,614,820,219,416,288/402,294,387.83
  6. Step 6: Final answer
    x = 297,331,565.74

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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.