Home / 348,503,772.80-522,755,659.20-343,968,809.60

Finding the Fourth Proportional to 348,503,772.80, 522,755,659.20 and 343,968,809.60

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Solution

The fourth proportional to 348,503,772.80, 522,755,659.20 and 343,968,809.60 is: 515,953,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,503,772.80 : 522,755,659.20 = 343,968,809.60 : x
  2. Step 2: Convert to fraction form
    348,503,772.80/522,755,659.20 = 343,968,809.60/x
  3. Step 3: Cross multiply
    348,503,772.80x = 522,755,659.20 × 343,968,809.60
  4. Step 4: Simplify right side
    348,503,772.80x = 179,811,641,806,687,296
  5. Step 5: Solve for x
    x = 179,811,641,806,687,296/348,503,772.80
  6. Step 6: Final answer
    x = 515,953,214.40

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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.