Home / 811,342,500,878.52-1,217,052,892,633.60-266,778,942,427.04

Finding the Fourth Proportional to 811,342,500,878.52, 1,217,052,892,633.60 and 266,778,942,427.04

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Solution

The fourth proportional to 811,342,500,878.52, 1,217,052,892,633.60 and 266,778,942,427.04 is: 400,181,283,764.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,342,500,878.52 : 1,217,052,892,633.60 = 266,778,942,427.04 : x
  2. Step 2: Convert to fraction form
    811,342,500,878.52/1,217,052,892,633.60 = 266,778,942,427.04/x
  3. Step 3: Cross multiply
    811,342,500,878.52x = 1,217,052,892,633.60 × 266,778,942,427.04
  4. Step 4: Simplify right side
    811,342,500,878.52x = 324,684,083,574,561,698,742,272
  5. Step 5: Solve for x
    x = 324,684,083,574,561,698,742,272/811,342,500,878.52
  6. Step 6: Final answer
    x = 400,181,283,764.86

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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.