Home / 19,121,251,247.37-28,681,930,679.74-7,333,982,869.55

Finding the Fourth Proportional to 19,121,251,247.37, 28,681,930,679.74 and 7,333,982,869.55

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Solution

The fourth proportional to 19,121,251,247.37, 28,681,930,679.74 and 7,333,982,869.55 is: 11,000,994,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121,251,247.37 : 28,681,930,679.74 = 7,333,982,869.55 : x
  2. Step 2: Convert to fraction form
    19,121,251,247.37/28,681,930,679.74 = 7,333,982,869.55/x
  3. Step 3: Cross multiply
    19,121,251,247.37x = 28,681,930,679.74 × 7,333,982,869.55
  4. Step 4: Simplify right side
    19,121,251,247.37x = 210,352,788,270,675,656,704
  5. Step 5: Solve for x
    x = 210,352,788,270,675,656,704/19,121,251,247.37
  6. Step 6: Final answer
    x = 11,000,994,942.71

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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.