Home / 803,829,999.20-1,205,744,998.80-343,814,669.60

Finding the Fourth Proportional to 803,829,999.20, 1,205,744,998.80 and 343,814,669.60

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Solution

The fourth proportional to 803,829,999.20, 1,205,744,998.80 and 343,814,669.60 is: 515,722,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,829,999.20 : 1,205,744,998.80 = 343,814,669.60 : x
  2. Step 2: Convert to fraction form
    803,829,999.20/1,205,744,998.80 = 343,814,669.60/x
  3. Step 3: Cross multiply
    803,829,999.20x = 1,205,744,998.80 × 343,814,669.60
  4. Step 4: Simplify right side
    803,829,999.20x = 414,552,818,384,274,432
  5. Step 5: Solve for x
    x = 414,552,818,384,274,432/803,829,999.20
  6. Step 6: Final answer
    x = 515,722,004.40

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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.