Home / 414,681,657.81-572,256,819.17-226,509,879.67

Finding the Fourth Proportional to 414,681,657.81, 572,256,819.17 and 226,509,879.67

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Solution

The fourth proportional to 414,681,657.81, 572,256,819.17 and 226,509,879.67 is: 312,581,520.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,681,657.81 : 572,256,819.17 = 226,509,879.67 : x
  2. Step 2: Convert to fraction form
    414,681,657.81/572,256,819.17 = 226,509,879.67/x
  3. Step 3: Cross multiply
    414,681,657.81x = 572,256,819.17 × 226,509,879.67
  4. Step 4: Simplify right side
    414,681,657.81x = 129,621,823,248,822,112
  5. Step 5: Solve for x
    x = 129,621,823,248,822,112/414,681,657.81
  6. Step 6: Final answer
    x = 312,581,520.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.