Home / 1,245,781,378.40-1,868,672,067.60-600,808,834.40

Finding the Fourth Proportional to 1,245,781,378.40, 1,868,672,067.60 and 600,808,834.40

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Solution

The fourth proportional to 1,245,781,378.40, 1,868,672,067.60 and 600,808,834.40 is: 901,213,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,781,378.40 : 1,868,672,067.60 = 600,808,834.40 : x
  2. Step 2: Convert to fraction form
    1,245,781,378.40/1,868,672,067.60 = 600,808,834.40/x
  3. Step 3: Cross multiply
    1,245,781,378.40x = 1,868,672,067.60 × 600,808,834.40
  4. Step 4: Simplify right side
    1,245,781,378.40x = 1,122,714,686,810,593,920
  5. Step 5: Solve for x
    x = 1,122,714,686,810,593,920/1,245,781,378.40
  6. Step 6: Final answer
    x = 901,213,251.60

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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.