Home / 1,992,030,302.80-2,988,045,454.20-956,641,517.20

Finding the Fourth Proportional to 1,992,030,302.80, 2,988,045,454.20 and 956,641,517.20

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Solution

The fourth proportional to 1,992,030,302.80, 2,988,045,454.20 and 956,641,517.20 is: 1,434,962,275.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,030,302.80 : 2,988,045,454.20 = 956,641,517.20 : x
  2. Step 2: Convert to fraction form
    1,992,030,302.80/2,988,045,454.20 = 956,641,517.20/x
  3. Step 3: Cross multiply
    1,992,030,302.80x = 2,988,045,454.20 × 956,641,517.20
  4. Step 4: Simplify right side
    1,992,030,302.80x = 2,858,488,336,768,451,072
  5. Step 5: Solve for x
    x = 2,858,488,336,768,451,072/1,992,030,302.80
  6. Step 6: Final answer
    x = 1,434,962,275.80

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Double scale
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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.