Home / 515,011,675.80-772,517,513.70-351,753,000.60

Finding the Fourth Proportional to 515,011,675.80, 772,517,513.70 and 351,753,000.60

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Solution

The fourth proportional to 515,011,675.80, 772,517,513.70 and 351,753,000.60 is: 527,629,500.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,011,675.80 : 772,517,513.70 = 351,753,000.60 : x
  2. Step 2: Convert to fraction form
    515,011,675.80/772,517,513.70 = 351,753,000.60/x
  3. Step 3: Cross multiply
    515,011,675.80x = 772,517,513.70 × 351,753,000.60
  4. Step 4: Simplify right side
    515,011,675.80x = 271,735,353,460,026,656
  5. Step 5: Solve for x
    x = 271,735,353,460,026,656/515,011,675.80
  6. Step 6: Final answer
    x = 527,629,500.90

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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.