Home / 2,017,815,121.20-3,026,722,681.80-1,238,935,191.60

Finding the Fourth Proportional to 2,017,815,121.20, 3,026,722,681.80 and 1,238,935,191.60

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Solution

The fourth proportional to 2,017,815,121.20, 3,026,722,681.80 and 1,238,935,191.60 is: 1,858,402,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017,815,121.20 : 3,026,722,681.80 = 1,238,935,191.60 : x
  2. Step 2: Convert to fraction form
    2,017,815,121.20/3,026,722,681.80 = 1,238,935,191.60/x
  3. Step 3: Cross multiply
    2,017,815,121.20x = 3,026,722,681.80 × 1,238,935,191.60
  4. Step 4: Simplify right side
    2,017,815,121.20x = 3,749,913,245,695,948,800
  5. Step 5: Solve for x
    x = 3,749,913,245,695,948,800/2,017,815,121.20
  6. Step 6: Final answer
    x = 1,858,402,787.40

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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.