Home / 402,294,380.45-603,441,570.68-198,221,036.45

Finding the Fourth Proportional to 402,294,380.45, 603,441,570.68 and 198,221,036.45

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Solution

The fourth proportional to 402,294,380.45, 603,441,570.68 and 198,221,036.45 is: 297,331,554.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,294,380.45 : 603,441,570.68 = 198,221,036.45 : x
  2. Step 2: Convert to fraction form
    402,294,380.45/603,441,570.68 = 198,221,036.45/x
  3. Step 3: Cross multiply
    402,294,380.45x = 603,441,570.68 × 198,221,036.45
  4. Step 4: Simplify right side
    402,294,380.45x = 119,614,813,576,214,416
  5. Step 5: Solve for x
    x = 119,614,813,576,214,416/402,294,380.45
  6. Step 6: Final answer
    x = 297,331,554.68

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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.