Home / 19,689,597,721.73-27,171,646,184.10-10,778,926,474.73

Finding the Fourth Proportional to 19,689,597,721.73, 27,171,646,184.10 and 10,778,926,474.73

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Solution

The fourth proportional to 19,689,597,721.73, 27,171,646,184.10 and 10,778,926,474.73 is: 14,874,919,262.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689,597,721.73 : 27,171,646,184.10 = 10,778,926,474.73 : x
  2. Step 2: Convert to fraction form
    19,689,597,721.73/27,171,646,184.10 = 10,778,926,474.73/x
  3. Step 3: Cross multiply
    19,689,597,721.73x = 27,171,646,184.10 × 10,778,926,474.73
  4. Step 4: Simplify right side
    19,689,597,721.73x = 292,881,176,415,656,017,920
  5. Step 5: Solve for x
    x = 292,881,176,415,656,017,920/19,689,597,721.73
  6. Step 6: Final answer
    x = 14,874,919,262.19

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1.5x scale

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.