Home / 486,052,928.72-670,750,597.32-263,034,449.36

Finding the Fourth Proportional to 486,052,928.72, 670,750,597.32 and 263,034,449.36

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Solution

The fourth proportional to 486,052,928.72, 670,750,597.32 and 263,034,449.36 is: 362,986,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,052,928.72 : 670,750,597.32 = 263,034,449.36 : x
  2. Step 2: Convert to fraction form
    486,052,928.72/670,750,597.32 = 263,034,449.36/x
  3. Step 3: Cross multiply
    486,052,928.72x = 670,750,597.32 × 263,034,449.36
  4. Step 4: Simplify right side
    486,052,928.72x = 176,430,514,023,957,312
  5. Step 5: Solve for x
    x = 176,430,514,023,957,312/486,052,928.72
  6. Step 6: Final answer
    x = 362,986,217.34

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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.