Home / 1,040,998,566.23-1,561,440,372.68-761,166,241.51

Finding the Fourth Proportional to 1,040,998,566.23, 1,561,440,372.68 and 761,166,241.51

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Solution

The fourth proportional to 1,040,998,566.23, 1,561,440,372.68 and 761,166,241.51 is: 1,141,707,335.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,998,566.23 : 1,561,440,372.68 = 761,166,241.51 : x
  2. Step 2: Convert to fraction form
    1,040,998,566.23/1,561,440,372.68 = 761,166,241.51/x
  3. Step 3: Cross multiply
    1,040,998,566.23x = 1,561,440,372.68 × 761,166,241.51
  4. Step 4: Simplify right side
    1,040,998,566.23x = 1,188,515,699,812,808,704
  5. Step 5: Solve for x
    x = 1,188,515,699,812,808,704/1,040,998,566.23
  6. Step 6: Final answer
    x = 1,141,707,335.98

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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.