Home / 981,330,718.80-1,472,008,899.73-326,281,745.03

Finding the Fourth Proportional to 981,330,718.80, 1,472,008,899.73 and 326,281,745.03

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Solution

The fourth proportional to 981,330,718.80, 1,472,008,899.73 and 326,281,745.03 is: 489,426,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,330,718.80 : 1,472,008,899.73 = 326,281,745.03 : x
  2. Step 2: Convert to fraction form
    981,330,718.80/1,472,008,899.73 = 326,281,745.03/x
  3. Step 3: Cross multiply
    981,330,718.80x = 1,472,008,899.73 × 326,281,745.03
  4. Step 4: Simplify right side
    981,330,718.80x = 480,289,632,503,594,688
  5. Step 5: Solve for x
    x = 480,289,632,503,594,688/981,330,718.80
  6. Step 6: Final answer
    x = 489,426,880.56

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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.