Home / 389,594,830.32-537,649,568.80-222,327,761.38

Finding the Fourth Proportional to 389,594,830.32, 537,649,568.80 and 222,327,761.38

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Solution

The fourth proportional to 389,594,830.32, 537,649,568.80 and 222,327,761.38 is: 306,817,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,594,830.32 : 537,649,568.80 = 222,327,761.38 : x
  2. Step 2: Convert to fraction form
    389,594,830.32/537,649,568.80 = 222,327,761.38/x
  3. Step 3: Cross multiply
    389,594,830.32x = 537,649,568.80 × 222,327,761.38
  4. Step 4: Simplify right side
    389,594,830.32x = 119,534,425,036,326,352
  5. Step 5: Solve for x
    x = 119,534,425,036,326,352/389,594,830.32
  6. Step 6: Final answer
    x = 306,817,277.16

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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.