Home / 896,507,998.40-1,344,761,997.60-550,339,140.80

Finding the Fourth Proportional to 896,507,998.40, 1,344,761,997.60 and 550,339,140.80

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Solution

The fourth proportional to 896,507,998.40, 1,344,761,997.60 and 550,339,140.80 is: 825,508,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,507,998.40 : 1,344,761,997.60 = 550,339,140.80 : x
  2. Step 2: Convert to fraction form
    896,507,998.40/1,344,761,997.60 = 550,339,140.80/x
  3. Step 3: Cross multiply
    896,507,998.40x = 1,344,761,997.60 × 550,339,140.80
  4. Step 4: Simplify right side
    896,507,998.40x = 740,075,162,339,675,520
  5. Step 5: Solve for x
    x = 740,075,162,339,675,520/896,507,998.40
  6. Step 6: Final answer
    x = 825,508,711.20

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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.