Home / 19,121,251,245.13-28,681,930,676.35-7,333,982,867.30

Finding the Fourth Proportional to 19,121,251,245.13, 28,681,930,676.35 and 7,333,982,867.30

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Solution

The fourth proportional to 19,121,251,245.13, 28,681,930,676.35 and 7,333,982,867.30 is: 11,000,994,939.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121,251,245.13 : 28,681,930,676.35 = 7,333,982,867.30 : x
  2. Step 2: Convert to fraction form
    19,121,251,245.13/28,681,930,676.35 = 7,333,982,867.30/x
  3. Step 3: Cross multiply
    19,121,251,245.13x = 28,681,930,676.35 × 7,333,982,867.30
  4. Step 4: Simplify right side
    19,121,251,245.13x = 210,352,788,181,471,952,896
  5. Step 5: Solve for x
    x = 210,352,788,181,471,952,896/19,121,251,245.13
  6. Step 6: Final answer
    x = 11,000,994,939.34

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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.