Home / 1,679,617,793.60-2,519,426,690.40-819,654,401.60

Finding the Fourth Proportional to 1,679,617,793.60, 2,519,426,690.40 and 819,654,401.60

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Solution

The fourth proportional to 1,679,617,793.60, 2,519,426,690.40 and 819,654,401.60 is: 1,229,481,602.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,617,793.60 : 2,519,426,690.40 = 819,654,401.60 : x
  2. Step 2: Convert to fraction form
    1,679,617,793.60/2,519,426,690.40 = 819,654,401.60/x
  3. Step 3: Cross multiply
    1,679,617,793.60x = 2,519,426,690.40 × 819,654,401.60
  4. Step 4: Simplify right side
    1,679,617,793.60x = 2,065,059,176,294,880,512
  5. Step 5: Solve for x
    x = 2,065,059,176,294,880,512/1,679,617,793.60
  6. Step 6: Final answer
    x = 1,229,481,602.40

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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.