Home / 1,975,896,036.72-2,959,892,126.76-1,188,515,044.02

Finding the Fourth Proportional to 1,975,896,036.72, 2,959,892,126.76 and 1,188,515,044.02

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Solution

The fourth proportional to 1,975,896,036.72, 2,959,892,126.76 and 1,188,515,044.02 is: 1,780,395,453.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,896,036.72 : 2,959,892,126.76 = 1,188,515,044.02 : x
  2. Step 2: Convert to fraction form
    1,975,896,036.72/2,959,892,126.76 = 1,188,515,044.02/x
  3. Step 3: Cross multiply
    1,975,896,036.72x = 2,959,892,126.76 × 1,188,515,044.02
  4. Step 4: Simplify right side
    1,975,896,036.72x = 3,517,876,321,330,613,248
  5. Step 5: Solve for x
    x = 3,517,876,321,330,613,248/1,975,896,036.72
  6. Step 6: Final answer
    x = 1,780,395,453.99

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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.