Home / 756,053,999.20-1,132,805,540.40-367,039,187.20

Finding the Fourth Proportional to 756,053,999.20, 1,132,805,540.40 and 367,039,187.20

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Solution

The fourth proportional to 756,053,999.20, 1,132,805,540.40 and 367,039,187.20 is: 549,939,587.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,053,999.20 : 1,132,805,540.40 = 367,039,187.20 : x
  2. Step 2: Convert to fraction form
    756,053,999.20/1,132,805,540.40 = 367,039,187.20/x
  3. Step 3: Cross multiply
    756,053,999.20x = 1,132,805,540.40 × 367,039,187.20
  4. Step 4: Simplify right side
    756,053,999.20x = 415,784,024,804,072,768
  5. Step 5: Solve for x
    x = 415,784,024,804,072,768/756,053,999.20
  6. Step 6: Final answer
    x = 549,939,587.97

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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.