Home / 30,292,221,067.70-45,438,331,601.55-20,180,546,304.80

Finding the Fourth Proportional to 30,292,221,067.70, 45,438,331,601.55 and 20,180,546,304.80

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Solution

The fourth proportional to 30,292,221,067.70, 45,438,331,601.55 and 20,180,546,304.80 is: 30,270,819,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292,221,067.70 : 45,438,331,601.55 = 20,180,546,304.80 : x
  2. Step 2: Convert to fraction form
    30,292,221,067.70/45,438,331,601.55 = 20,180,546,304.80/x
  3. Step 3: Cross multiply
    30,292,221,067.70x = 45,438,331,601.55 × 20,180,546,304.80
  4. Step 4: Simplify right side
    30,292,221,067.70x = 916,970,354,897,936,973,824
  5. Step 5: Solve for x
    x = 916,970,354,897,936,973,824/30,292,221,067.70
  6. Step 6: Final answer
    x = 30,270,819,457.20

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1.5x scale

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.