Home / 816,107,270.60-1,224,160,905.90-808,454,520.20

Finding the Fourth Proportional to 816,107,270.60, 1,224,160,905.90 and 808,454,520.20

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Solution

The fourth proportional to 816,107,270.60, 1,224,160,905.90 and 808,454,520.20 is: 1,212,681,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,107,270.60 : 1,224,160,905.90 = 808,454,520.20 : x
  2. Step 2: Convert to fraction form
    816,107,270.60/1,224,160,905.90 = 808,454,520.20/x
  3. Step 3: Cross multiply
    816,107,270.60x = 1,224,160,905.90 × 808,454,520.20
  4. Step 4: Simplify right side
    816,107,270.60x = 989,678,417,826,982,016
  5. Step 5: Solve for x
    x = 989,678,417,826,982,016/816,107,270.60
  6. Step 6: Final answer
    x = 1,212,681,780.30

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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.