Home / 865,205,572.60-1,297,808,375.30-210,152,185.14

Finding the Fourth Proportional to 865,205,572.60, 1,297,808,375.30 and 210,152,185.14

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Solution

The fourth proportional to 865,205,572.60, 1,297,808,375.30 and 210,152,185.14 is: 315,228,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,205,572.60 : 1,297,808,375.30 = 210,152,185.14 : x
  2. Step 2: Convert to fraction form
    865,205,572.60/1,297,808,375.30 = 210,152,185.14/x
  3. Step 3: Cross multiply
    865,205,572.60x = 1,297,808,375.30 × 210,152,185.14
  4. Step 4: Simplify right side
    865,205,572.60x = 272,737,265,962,288,160
  5. Step 5: Solve for x
    x = 272,737,265,962,288,160/865,205,572.60
  6. Step 6: Final answer
    x = 315,228,281.69

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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.