Home / 972,102,121.92-1,341,505,016.55-526,065,506.19

Finding the Fourth Proportional to 972,102,121.92, 1,341,505,016.55 and 526,065,506.19

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Solution

The fourth proportional to 972,102,121.92, 1,341,505,016.55 and 526,065,506.19 is: 725,972,610.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,102,121.92 : 1,341,505,016.55 = 526,065,506.19 : x
  2. Step 2: Convert to fraction form
    972,102,121.92/1,341,505,016.55 = 526,065,506.19/x
  3. Step 3: Cross multiply
    972,102,121.92x = 1,341,505,016.55 × 526,065,506.19
  4. Step 4: Simplify right side
    972,102,121.92x = 705,719,515,587,800,064
  5. Step 5: Solve for x
    x = 705,719,515,587,800,064/972,102,121.92
  6. Step 6: Final answer
    x = 725,972,610.98

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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.