Home / 419,906,565.60-629,859,848.40-247,294,528.80

Finding the Fourth Proportional to 419,906,565.60, 629,859,848.40 and 247,294,528.80

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Solution

The fourth proportional to 419,906,565.60, 629,859,848.40 and 247,294,528.80 is: 370,941,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,906,565.60 : 629,859,848.40 = 247,294,528.80 : x
  2. Step 2: Convert to fraction form
    419,906,565.60/629,859,848.40 = 247,294,528.80/x
  3. Step 3: Cross multiply
    419,906,565.60x = 629,859,848.40 × 247,294,528.80
  4. Step 4: Simplify right side
    419,906,565.60x = 155,760,894,420,117,440
  5. Step 5: Solve for x
    x = 155,760,894,420,117,440/419,906,565.60
  6. Step 6: Final answer
    x = 370,941,793.20

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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.