Home / 326,751,189,149.28-489,984,438,393.81-173,562,556,039.44

Finding the Fourth Proportional to 326,751,189,149.28, 489,984,438,393.81 and 173,562,556,039.44

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Solution

The fourth proportional to 326,751,189,149.28, 489,984,438,393.81 and 173,562,556,039.44 is: 260,268,223,563.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,751,189,149.28 : 489,984,438,393.81 = 173,562,556,039.44 : x
  2. Step 2: Convert to fraction form
    326,751,189,149.28/489,984,438,393.81 = 173,562,556,039.44/x
  3. Step 3: Cross multiply
    326,751,189,149.28x = 489,984,438,393.81 × 173,562,556,039.44
  4. Step 4: Simplify right side
    326,751,189,149.28x = 85,042,951,547,179,187,044,352
  5. Step 5: Solve for x
    x = 85,042,951,547,179,187,044,352/326,751,189,149.28
  6. Step 6: Final answer
    x = 260,268,223,563.61

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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.