Home / 495,500,678.10-743,251,017.15-172,384,550.10

Finding the Fourth Proportional to 495,500,678.10, 743,251,017.15 and 172,384,550.10

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Solution

The fourth proportional to 495,500,678.10, 743,251,017.15 and 172,384,550.10 is: 258,576,825.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,500,678.10 : 743,251,017.15 = 172,384,550.10 : x
  2. Step 2: Convert to fraction form
    495,500,678.10/743,251,017.15 = 172,384,550.10/x
  3. Step 3: Cross multiply
    495,500,678.10x = 743,251,017.15 × 172,384,550.10
  4. Step 4: Simplify right side
    495,500,678.10x = 128,124,992,202,770,128
  5. Step 5: Solve for x
    x = 128,124,992,202,770,128/495,500,678.10
  6. Step 6: Final answer
    x = 258,576,825.15

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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.