Home / 465,241,620.06-642,033,536.80-253,548,500.84

Finding the Fourth Proportional to 465,241,620.06, 642,033,536.80 and 253,548,500.84

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Solution

The fourth proportional to 465,241,620.06, 642,033,536.80 and 253,548,500.84 is: 349,896,986.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,241,620.06 : 642,033,536.80 = 253,548,500.84 : x
  2. Step 2: Convert to fraction form
    465,241,620.06/642,033,536.80 = 253,548,500.84/x
  3. Step 3: Cross multiply
    465,241,620.06x = 642,033,536.80 × 253,548,500.84
  4. Step 4: Simplify right side
    465,241,620.06x = 162,786,640,744,642,976
  5. Step 5: Solve for x
    x = 162,786,640,744,642,976/465,241,620.06
  6. Step 6: Final answer
    x = 349,896,986.27

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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.