Home / 265,856,814.19-398,925,721.91-188,632,790.48

Finding the Fourth Proportional to 265,856,814.19, 398,925,721.91 and 188,632,790.48

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Solution

The fourth proportional to 265,856,814.19, 398,925,721.91 and 188,632,790.48 is: 283,048,874.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,856,814.19 : 398,925,721.91 = 188,632,790.48 : x
  2. Step 2: Convert to fraction form
    265,856,814.19/398,925,721.91 = 188,632,790.48/x
  3. Step 3: Cross multiply
    265,856,814.19x = 398,925,721.91 × 188,632,790.48
  4. Step 4: Simplify right side
    265,856,814.19x = 75,250,472,119,600,672
  5. Step 5: Solve for x
    x = 75,250,472,119,600,672/265,856,814.19
  6. Step 6: Final answer
    x = 283,048,874.82

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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.