Home / 759,219,900.41-1,138,819,220.57-299,162,055.53

Finding the Fourth Proportional to 759,219,900.41, 1,138,819,220.57 and 299,162,055.53

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Solution

The fourth proportional to 759,219,900.41, 1,138,819,220.57 and 299,162,055.53 is: 448,738,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,219,900.41 : 1,138,819,220.57 = 299,162,055.53 : x
  2. Step 2: Convert to fraction form
    759,219,900.41/1,138,819,220.57 = 299,162,055.53/x
  3. Step 3: Cross multiply
    759,219,900.41x = 1,138,819,220.57 × 299,162,055.53
  4. Step 4: Simplify right side
    759,219,900.41x = 340,691,498,906,388,672
  5. Step 5: Solve for x
    x = 340,691,498,906,388,672/759,219,900.41
  6. Step 6: Final answer
    x = 448,738,894.65

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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.