Home / 580,608,932.40-870,988,048.20-289,624,791.60

Finding the Fourth Proportional to 580,608,932.40, 870,988,048.20 and 289,624,791.60

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Solution

The fourth proportional to 580,608,932.40, 870,988,048.20 and 289,624,791.60 is: 434,474,424.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,608,932.40 : 870,988,048.20 = 289,624,791.60 : x
  2. Step 2: Convert to fraction form
    580,608,932.40/870,988,048.20 = 289,624,791.60/x
  3. Step 3: Cross multiply
    580,608,932.40x = 870,988,048.20 × 289,624,791.60
  4. Step 4: Simplify right side
    580,608,932.40x = 252,259,731,946,015,776
  5. Step 5: Solve for x
    x = 252,259,731,946,015,776/580,608,932.40
  6. Step 6: Final answer
    x = 434,474,424.81

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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.