Home / 404,758,712.12-607,138,064.09-145,973,928.60

Finding the Fourth Proportional to 404,758,712.12, 607,138,064.09 and 145,973,928.60

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Solution

The fourth proportional to 404,758,712.12, 607,138,064.09 and 145,973,928.60 is: 218,960,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,758,712.12 : 607,138,064.09 = 145,973,928.60 : x
  2. Step 2: Convert to fraction form
    404,758,712.12/607,138,064.09 = 145,973,928.60/x
  3. Step 3: Cross multiply
    404,758,712.12x = 607,138,064.09 × 145,973,928.60
  4. Step 4: Simplify right side
    404,758,712.12x = 88,626,328,417,086,016
  5. Step 5: Solve for x
    x = 88,626,328,417,086,016/404,758,712.12
  6. Step 6: Final answer
    x = 218,960,891.43

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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.