Home / 1,181,952,034.80-1,772,928,052.20-445,020,514.80

Finding the Fourth Proportional to 1,181,952,034.80, 1,772,928,052.20 and 445,020,514.80

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Solution

The fourth proportional to 1,181,952,034.80, 1,772,928,052.20 and 445,020,514.80 is: 667,530,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,952,034.80 : 1,772,928,052.20 = 445,020,514.80 : x
  2. Step 2: Convert to fraction form
    1,181,952,034.80/1,772,928,052.20 = 445,020,514.80/x
  3. Step 3: Cross multiply
    1,181,952,034.80x = 1,772,928,052.20 × 445,020,514.80
  4. Step 4: Simplify right side
    1,181,952,034.80x = 788,989,354,493,405,312
  5. Step 5: Solve for x
    x = 788,989,354,493,405,312/1,181,952,034.80
  6. Step 6: Final answer
    x = 667,530,772.20

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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.