Home / 1,263,276,165.80-1,894,914,248.70-445,471,135.40

Finding the Fourth Proportional to 1,263,276,165.80, 1,894,914,248.70 and 445,471,135.40

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Solution

The fourth proportional to 1,263,276,165.80, 1,894,914,248.70 and 445,471,135.40 is: 668,206,703.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,276,165.80 : 1,894,914,248.70 = 445,471,135.40 : x
  2. Step 2: Convert to fraction form
    1,263,276,165.80/1,894,914,248.70 = 445,471,135.40/x
  3. Step 3: Cross multiply
    1,263,276,165.80x = 1,894,914,248.70 × 445,471,135.40
  4. Step 4: Simplify right side
    1,263,276,165.80x = 844,129,601,854,027,008
  5. Step 5: Solve for x
    x = 844,129,601,854,027,008/1,263,276,165.80
  6. Step 6: Final answer
    x = 668,206,703.10

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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.