Home / 19,121,251,190.48-28,681,930,594.14-7,333,982,812.64

Finding the Fourth Proportional to 19,121,251,190.48, 28,681,930,594.14 and 7,333,982,812.64

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Solution

The fourth proportional to 19,121,251,190.48, 28,681,930,594.14 and 7,333,982,812.64 is: 11,000,994,857.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121,251,190.48 : 28,681,930,594.14 = 7,333,982,812.64 : x
  2. Step 2: Convert to fraction form
    19,121,251,190.48/28,681,930,594.14 = 7,333,982,812.64/x
  3. Step 3: Cross multiply
    19,121,251,190.48x = 28,681,930,594.14 × 7,333,982,812.64
  4. Step 4: Simplify right side
    19,121,251,190.48x = 210,352,786,010,756,153,344
  5. Step 5: Solve for x
    x = 210,352,786,010,756,153,344/19,121,251,190.48
  6. Step 6: Final answer
    x = 11,000,994,857.26

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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.