Home / 966,157,370.80-1,449,236,056.20-816,503,585.20

Finding the Fourth Proportional to 966,157,370.80, 1,449,236,056.20 and 816,503,585.20

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Solution

The fourth proportional to 966,157,370.80, 1,449,236,056.20 and 816,503,585.20 is: 1,224,755,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,157,370.80 : 1,449,236,056.20 = 816,503,585.20 : x
  2. Step 2: Convert to fraction form
    966,157,370.80/1,449,236,056.20 = 816,503,585.20/x
  3. Step 3: Cross multiply
    966,157,370.80x = 1,449,236,056.20 × 816,503,585.20
  4. Step 4: Simplify right side
    966,157,370.80x = 1,183,306,435,688,408,832
  5. Step 5: Solve for x
    x = 1,183,306,435,688,408,832/966,157,370.80
  6. Step 6: Final answer
    x = 1,224,755,377.80

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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.