Home / 265,716,511.20-398,574,766.80-122,389,279.20

Finding the Fourth Proportional to 265,716,511.20, 398,574,766.80 and 122,389,279.20

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Solution

The fourth proportional to 265,716,511.20, 398,574,766.80 and 122,389,279.20 is: 183,583,918.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,716,511.20 : 398,574,766.80 = 122,389,279.20 : x
  2. Step 2: Convert to fraction form
    265,716,511.20/398,574,766.80 = 122,389,279.20/x
  3. Step 3: Cross multiply
    265,716,511.20x = 398,574,766.80 × 122,389,279.20
  4. Step 4: Simplify right side
    265,716,511.20x = 48,781,278,415,960,096
  5. Step 5: Solve for x
    x = 48,781,278,415,960,096/265,716,511.20
  6. Step 6: Final answer
    x = 183,583,918.80

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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.