Home / 265,746,085.20-398,619,127.80-238,961,458.80

Finding the Fourth Proportional to 265,746,085.20, 398,619,127.80 and 238,961,458.80

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Solution

The fourth proportional to 265,746,085.20, 398,619,127.80 and 238,961,458.80 is: 358,442,188.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,746,085.20 : 398,619,127.80 = 238,961,458.80 : x
  2. Step 2: Convert to fraction form
    265,746,085.20/398,619,127.80 = 238,961,458.80/x
  3. Step 3: Cross multiply
    265,746,085.20x = 398,619,127.80 × 238,961,458.80
  4. Step 4: Simplify right side
    265,746,085.20x = 95,254,608,284,671,648
  5. Step 5: Solve for x
    x = 95,254,608,284,671,648/265,746,085.20
  6. Step 6: Final answer
    x = 358,442,188.20

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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.