Home / 539,436,370.96-744,422,167.56-291,917,731.96

Finding the Fourth Proportional to 539,436,370.96, 744,422,167.56 and 291,917,731.96

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Solution

The fourth proportional to 539,436,370.96, 744,422,167.56 and 291,917,731.96 is: 402,846,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,436,370.96 : 744,422,167.56 = 291,917,731.96 : x
  2. Step 2: Convert to fraction form
    539,436,370.96/744,422,167.56 = 291,917,731.96/x
  3. Step 3: Cross multiply
    539,436,370.96x = 744,422,167.56 × 291,917,731.96
  4. Step 4: Simplify right side
    539,436,370.96x = 217,310,030,774,862,240
  5. Step 5: Solve for x
    x = 217,310,030,774,862,240/539,436,370.96
  6. Step 6: Final answer
    x = 402,846,456.92

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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.