Home / 1,537,501,115.80-2,121,725,316.02-832,647,369.88

Finding the Fourth Proportional to 1,537,501,115.80, 2,121,725,316.02 and 832,647,369.88

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Solution

The fourth proportional to 1,537,501,115.80, 2,121,725,316.02 and 832,647,369.88 is: 1,149,039,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,537,501,115.80 : 2,121,725,316.02 = 832,647,369.88 : x
  2. Step 2: Convert to fraction form
    1,537,501,115.80/2,121,725,316.02 = 832,647,369.88/x
  3. Step 3: Cross multiply
    1,537,501,115.80x = 2,121,725,316.02 × 832,647,369.88
  4. Step 4: Simplify right side
    1,537,501,115.80x = 1,766,649,003,991,864,832
  5. Step 5: Solve for x
    x = 1,766,649,003,991,864,832/1,537,501,115.80
  6. Step 6: Final answer
    x = 1,149,039,168.71

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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.