Home / 442,578,835.50-663,859,138.58-147,495,380.65

Finding the Fourth Proportional to 442,578,835.50, 663,859,138.58 and 147,495,380.65

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Solution

The fourth proportional to 442,578,835.50, 663,859,138.58 and 147,495,380.65 is: 221,240,033.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,578,835.50 : 663,859,138.58 = 147,495,380.65 : x
  2. Step 2: Convert to fraction form
    442,578,835.50/663,859,138.58 = 147,495,380.65/x
  3. Step 3: Cross multiply
    442,578,835.50x = 663,859,138.58 × 147,495,380.65
  4. Step 4: Simplify right side
    442,578,835.50x = 97,916,156,342,838,208
  5. Step 5: Solve for x
    x = 97,916,156,342,838,208/442,578,835.50
  6. Step 6: Final answer
    x = 221,240,033.39

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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.