Home / 265,739,200.20-398,608,800.30-74,262,976.20

Finding the Fourth Proportional to 265,739,200.20, 398,608,800.30 and 74,262,976.20

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Solution

The fourth proportional to 265,739,200.20, 398,608,800.30 and 74,262,976.20 is: 111,394,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,739,200.20 : 398,608,800.30 = 74,262,976.20 : x
  2. Step 2: Convert to fraction form
    265,739,200.20/398,608,800.30 = 74,262,976.20/x
  3. Step 3: Cross multiply
    265,739,200.20x = 398,608,800.30 × 74,262,976.20
  4. Step 4: Simplify right side
    265,739,200.20x = 29,601,875,849,789,456
  5. Step 5: Solve for x
    x = 29,601,875,849,789,456/265,739,200.20
  6. Step 6: Final answer
    x = 111,394,464.30

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1.5x scale

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.