Home / 580,350,019.40-869,391,288.30-349,633,766.60

Finding the Fourth Proportional to 580,350,019.40, 869,391,288.30 and 349,633,766.60

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Solution

The fourth proportional to 580,350,019.40, 869,391,288.30 and 349,633,766.60 is: 523,767,624.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,350,019.40 : 869,391,288.30 = 349,633,766.60 : x
  2. Step 2: Convert to fraction form
    580,350,019.40/869,391,288.30 = 349,633,766.60/x
  3. Step 3: Cross multiply
    580,350,019.40x = 869,391,288.30 × 349,633,766.60
  4. Step 4: Simplify right side
    580,350,019.40x = 303,968,550,777,555,520
  5. Step 5: Solve for x
    x = 303,968,550,777,555,520/580,350,019.40
  6. Step 6: Final answer
    x = 523,767,624.05

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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.