Home / 388,093,267.68-535,810,456.26-247,044,102.36

Finding the Fourth Proportional to 388,093,267.68, 535,810,456.26 and 247,044,102.36

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Solution

The fourth proportional to 388,093,267.68, 535,810,456.26 and 247,044,102.36 is: 341,074,747.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,093,267.68 : 535,810,456.26 = 247,044,102.36 : x
  2. Step 2: Convert to fraction form
    388,093,267.68/535,810,456.26 = 247,044,102.36/x
  3. Step 3: Cross multiply
    388,093,267.68x = 535,810,456.26 × 247,044,102.36
  4. Step 4: Simplify right side
    388,093,267.68x = 132,368,813,201,853,744
  5. Step 5: Solve for x
    x = 132,368,813,201,853,744/388,093,267.68
  6. Step 6: Final answer
    x = 341,074,747.30

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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.