Home / 462,565,522.60-692,923,189.50-278,231,209

Finding the Fourth Proportional to 462,565,522.60, 692,923,189.50 and 278,231,209

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Solution

The fourth proportional to 462,565,522.60, 692,923,189.50 and 278,231,209 is: 416,790,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,565,522.60 : 692,923,189.50 = 278,231,209 : x
  2. Step 2: Convert to fraction form
    462,565,522.60/692,923,189.50 = 278,231,209/x
  3. Step 3: Cross multiply
    462,565,522.60x = 692,923,189.50 × 278,231,209
  4. Step 4: Simplify right side
    462,565,522.60x = 192,792,856,758,721,120
  5. Step 5: Solve for x
    x = 192,792,856,758,721,120/462,565,522.60
  6. Step 6: Final answer
    x = 416,790,373.12

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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.