Home / 265,715,515.80-398,573,273.70-223,389,192.60

Finding the Fourth Proportional to 265,715,515.80, 398,573,273.70 and 223,389,192.60

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Solution

The fourth proportional to 265,715,515.80, 398,573,273.70 and 223,389,192.60 is: 335,083,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,715,515.80 : 398,573,273.70 = 223,389,192.60 : x
  2. Step 2: Convert to fraction form
    265,715,515.80/398,573,273.70 = 223,389,192.60/x
  3. Step 3: Cross multiply
    265,715,515.80x = 398,573,273.70 × 223,389,192.60
  4. Step 4: Simplify right side
    265,715,515.80x = 89,036,961,803,781,808
  5. Step 5: Solve for x
    x = 89,036,961,803,781,808/265,715,515.80
  6. Step 6: Final answer
    x = 335,083,788.90

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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.