Home / 19,974,395,340.78-27,564,446,125.92-10,818,696,398.82

Finding the Fourth Proportional to 19,974,395,340.78, 27,564,446,125.92 and 10,818,696,398.82

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Solution

The fourth proportional to 19,974,395,340.78, 27,564,446,125.92 and 10,818,696,398.82 is: 14,929,682,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974,395,340.78 : 27,564,446,125.92 = 10,818,696,398.82 : x
  2. Step 2: Convert to fraction form
    19,974,395,340.78/27,564,446,125.92 = 10,818,696,398.82/x
  3. Step 3: Cross multiply
    19,974,395,340.78x = 27,564,446,125.92 × 10,818,696,398.82
  4. Step 4: Simplify right side
    19,974,395,340.78x = 298,211,374,037,958,590,464
  5. Step 5: Solve for x
    x = 298,211,374,037,958,590,464/19,974,395,340.78
  6. Step 6: Final answer
    x = 14,929,682,173.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.