Home / 265,856,856.30-398,925,784.98-188,632,832.58

Finding the Fourth Proportional to 265,856,856.30, 398,925,784.98 and 188,632,832.58

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Solution

The fourth proportional to 265,856,856.30, 398,925,784.98 and 188,632,832.58 is: 283,048,937.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,856,856.30 : 398,925,784.98 = 188,632,832.58 : x
  2. Step 2: Convert to fraction form
    265,856,856.30/398,925,784.98 = 188,632,832.58/x
  3. Step 3: Cross multiply
    265,856,856.30x = 398,925,784.98 × 188,632,832.58
  4. Step 4: Simplify right side
    265,856,856.30x = 75,250,500,809,977,424
  5. Step 5: Solve for x
    x = 75,250,500,809,977,424/265,856,856.30
  6. Step 6: Final answer
    x = 283,048,937.90

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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.