Home / 1,605,684,956.60-2,215,665,520.72-891,250,626.30

Finding the Fourth Proportional to 1,605,684,956.60, 2,215,665,520.72 and 891,250,626.30

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Solution

The fourth proportional to 1,605,684,956.60, 2,215,665,520.72 and 891,250,626.30 is: 1,229,826,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,684,956.60 : 2,215,665,520.72 = 891,250,626.30 : x
  2. Step 2: Convert to fraction form
    1,605,684,956.60/2,215,665,520.72 = 891,250,626.30/x
  3. Step 3: Cross multiply
    1,605,684,956.60x = 2,215,665,520.72 × 891,250,626.30
  4. Step 4: Simplify right side
    1,605,684,956.60x = 1,974,713,283,013,015,296
  5. Step 5: Solve for x
    x = 1,974,713,283,013,015,296/1,605,684,956.60
  6. Step 6: Final answer
    x = 1,229,826,109.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.