Home / 315,794,624.40-473,799,479.04-170,242,251.12

Finding the Fourth Proportional to 315,794,624.40, 473,799,479.04 and 170,242,251.12

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Solution

The fourth proportional to 315,794,624.40, 473,799,479.04 and 170,242,251.12 is: 255,421,351.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,794,624.40 : 473,799,479.04 = 170,242,251.12 : x
  2. Step 2: Convert to fraction form
    315,794,624.40/473,799,479.04 = 170,242,251.12/x
  3. Step 3: Cross multiply
    315,794,624.40x = 473,799,479.04 × 170,242,251.12
  4. Step 4: Simplify right side
    315,794,624.40x = 80,660,689,891,252,864
  5. Step 5: Solve for x
    x = 80,660,689,891,252,864/315,794,624.40
  6. Step 6: Final answer
    x = 255,421,351.91

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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.