Home / 979,293,790.80-1,468,940,686.20-324,345,902.40

Finding the Fourth Proportional to 979,293,790.80, 1,468,940,686.20 and 324,345,902.40

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Solution

The fourth proportional to 979,293,790.80, 1,468,940,686.20 and 324,345,902.40 is: 486,518,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,293,790.80 : 1,468,940,686.20 = 324,345,902.40 : x
  2. Step 2: Convert to fraction form
    979,293,790.80/1,468,940,686.20 = 324,345,902.40/x
  3. Step 3: Cross multiply
    979,293,790.80x = 1,468,940,686.20 × 324,345,902.40
  4. Step 4: Simplify right side
    979,293,790.80x = 476,444,892,437,614,208
  5. Step 5: Solve for x
    x = 476,444,892,437,614,208/979,293,790.80
  6. Step 6: Final answer
    x = 486,518,853.60

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Similar ratio
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1.5x scale

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.