Home / 1,236,455,291.70-1,854,682,937.55-663,146,363.70

Finding the Fourth Proportional to 1,236,455,291.70, 1,854,682,937.55 and 663,146,363.70

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Solution

The fourth proportional to 1,236,455,291.70, 1,854,682,937.55 and 663,146,363.70 is: 994,719,545.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,455,291.70 : 1,854,682,937.55 = 663,146,363.70 : x
  2. Step 2: Convert to fraction form
    1,236,455,291.70/1,854,682,937.55 = 663,146,363.70/x
  3. Step 3: Cross multiply
    1,236,455,291.70x = 1,854,682,937.55 × 663,146,363.70
  4. Step 4: Simplify right side
    1,236,455,291.70x = 1,229,926,245,852,716,800
  5. Step 5: Solve for x
    x = 1,229,926,245,852,716,800/1,236,455,291.70
  6. Step 6: Final answer
    x = 994,719,545.55

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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.