Home / 539,436,368.46-744,422,164.11-291,917,729.46

Finding the Fourth Proportional to 539,436,368.46, 744,422,164.11 and 291,917,729.46

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Solution

The fourth proportional to 539,436,368.46, 744,422,164.11 and 291,917,729.46 is: 402,846,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,436,368.46 : 744,422,164.11 = 291,917,729.46 : x
  2. Step 2: Convert to fraction form
    539,436,368.46/744,422,164.11 = 291,917,729.46/x
  3. Step 3: Cross multiply
    539,436,368.46x = 744,422,164.11 × 291,917,729.46
  4. Step 4: Simplify right side
    539,436,368.46x = 217,310,027,906,690,688
  5. Step 5: Solve for x
    x = 217,310,027,906,690,688/539,436,368.46
  6. Step 6: Final answer
    x = 402,846,453.47

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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.