Home / 557,045,998.40-835,568,997.60-298,765,672.40

Finding the Fourth Proportional to 557,045,998.40, 835,568,997.60 and 298,765,672.40

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Solution

The fourth proportional to 557,045,998.40, 835,568,997.60 and 298,765,672.40 is: 448,148,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,045,998.40 : 835,568,997.60 = 298,765,672.40 : x
  2. Step 2: Convert to fraction form
    557,045,998.40/835,568,997.60 = 298,765,672.40/x
  3. Step 3: Cross multiply
    557,045,998.40x = 835,568,997.60 × 298,765,672.40
  4. Step 4: Simplify right side
    557,045,998.40x = 249,639,333,404,557,984
  5. Step 5: Solve for x
    x = 249,639,333,404,557,984/557,045,998.40
  6. Step 6: Final answer
    x = 448,148,508.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.