Home / 580,823,999.60-871,235,999.40-417,565,324.40

Finding the Fourth Proportional to 580,823,999.60, 871,235,999.40 and 417,565,324.40

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Solution

The fourth proportional to 580,823,999.60, 871,235,999.40 and 417,565,324.40 is: 626,347,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,823,999.60 : 871,235,999.40 = 417,565,324.40 : x
  2. Step 2: Convert to fraction form
    580,823,999.60/871,235,999.40 = 417,565,324.40/x
  3. Step 3: Cross multiply
    580,823,999.60x = 871,235,999.40 × 417,565,324.40
  4. Step 4: Simplify right side
    580,823,999.60x = 363,797,942,718,419,200
  5. Step 5: Solve for x
    x = 363,797,942,718,419,200/580,823,999.60
  6. Step 6: Final answer
    x = 626,347,986.60

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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.