Home / 45,677,965,026.45-68,489,021,763.10-21,781,778,463.27

Finding the Fourth Proportional to 45,677,965,026.45, 68,489,021,763.10 and 21,781,778,463.27

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Solution

The fourth proportional to 45,677,965,026.45, 68,489,021,763.10 and 21,781,778,463.27 is: 32,659,351,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,677,965,026.45 : 68,489,021,763.10 = 21,781,778,463.27 : x
  2. Step 2: Convert to fraction form
    45,677,965,026.45/68,489,021,763.10 = 21,781,778,463.27/x
  3. Step 3: Cross multiply
    45,677,965,026.45x = 68,489,021,763.10 × 21,781,778,463.27
  4. Step 4: Simplify right side
    45,677,965,026.45x = 1,491,812,699,209,921,986,560
  5. Step 5: Solve for x
    x = 1,491,812,699,209,921,986,560/45,677,965,026.45
  6. Step 6: Final answer
    x = 32,659,351,141.10

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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.