Home / 2,910,331,849.90-4,365,532,417.31-811,680,570.51

Finding the Fourth Proportional to 2,910,331,849.90, 4,365,532,417.31 and 811,680,570.51

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Solution

The fourth proportional to 2,910,331,849.90, 4,365,532,417.31 and 811,680,570.51 is: 1,217,530,517.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,331,849.90 : 4,365,532,417.31 = 811,680,570.51 : x
  2. Step 2: Convert to fraction form
    2,910,331,849.90/4,365,532,417.31 = 811,680,570.51/x
  3. Step 3: Cross multiply
    2,910,331,849.90x = 4,365,532,417.31 × 811,680,570.51
  4. Step 4: Simplify right side
    2,910,331,849.90x = 3,543,417,843,051,778,560
  5. Step 5: Solve for x
    x = 3,543,417,843,051,778,560/2,910,331,849.90
  6. Step 6: Final answer
    x = 1,217,530,517.41

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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.