Home / 1,067,929,763.20-1,601,894,644.80-993,102,870.40

Finding the Fourth Proportional to 1,067,929,763.20, 1,601,894,644.80 and 993,102,870.40

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Solution

The fourth proportional to 1,067,929,763.20, 1,601,894,644.80 and 993,102,870.40 is: 1,489,654,305.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,929,763.20 : 1,601,894,644.80 = 993,102,870.40 : x
  2. Step 2: Convert to fraction form
    1,067,929,763.20/1,601,894,644.80 = 993,102,870.40/x
  3. Step 3: Cross multiply
    1,067,929,763.20x = 1,601,894,644.80 × 993,102,870.40
  4. Step 4: Simplify right side
    1,067,929,763.20x = 1,590,846,169,829,268,224
  5. Step 5: Solve for x
    x = 1,590,846,169,829,268,224/1,067,929,763.20
  6. Step 6: Final answer
    x = 1,489,654,305.60

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Half scale
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Double scale
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Similar ratio
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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.