Home / 2,761,177,391.93-3,810,314,712.86-1,555,490,552.21

Finding the Fourth Proportional to 2,761,177,391.93, 3,810,314,712.86 and 1,555,490,552.21

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Solution

The fourth proportional to 2,761,177,391.93, 3,810,314,712.86 and 1,555,490,552.21 is: 2,146,514,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,177,391.93 : 3,810,314,712.86 = 1,555,490,552.21 : x
  2. Step 2: Convert to fraction form
    2,761,177,391.93/3,810,314,712.86 = 1,555,490,552.21/x
  3. Step 3: Cross multiply
    2,761,177,391.93x = 3,810,314,712.86 × 1,555,490,552.21
  4. Step 4: Simplify right side
    2,761,177,391.93x = 5,926,908,536,810,340,352
  5. Step 5: Solve for x
    x = 5,926,908,536,810,340,352/2,761,177,391.93
  6. Step 6: Final answer
    x = 2,146,514,944.73

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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.