Home / 398,427,570.46-549,830,780.91-222,226,922.96

Finding the Fourth Proportional to 398,427,570.46, 549,830,780.91 and 222,226,922.96

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Solution

The fourth proportional to 398,427,570.46, 549,830,780.91 and 222,226,922.96 is: 306,673,562.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,427,570.46 : 549,830,780.91 = 222,226,922.96 : x
  2. Step 2: Convert to fraction form
    398,427,570.46/549,830,780.91 = 222,226,922.96/x
  3. Step 3: Cross multiply
    398,427,570.46x = 549,830,780.91 × 222,226,922.96
  4. Step 4: Simplify right side
    398,427,570.46x = 122,187,202,590,323,200
  5. Step 5: Solve for x
    x = 122,187,202,590,323,200/398,427,570.46
  6. Step 6: Final answer
    x = 306,673,562.90

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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.