Home / 19,689,597,963.76-27,171,646,518.72-10,778,926,716.72

Finding the Fourth Proportional to 19,689,597,963.76, 27,171,646,518.72 and 10,778,926,716.72

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Solution

The fourth proportional to 19,689,597,963.76, 27,171,646,518.72 and 10,778,926,716.72 is: 14,874,919,596.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689,597,963.76 : 27,171,646,518.72 = 10,778,926,716.72 : x
  2. Step 2: Convert to fraction form
    19,689,597,963.76/27,171,646,518.72 = 10,778,926,716.72/x
  3. Step 3: Cross multiply
    19,689,597,963.76x = 27,171,646,518.72 × 10,778,926,716.72
  4. Step 4: Simplify right side
    19,689,597,963.76x = 292,881,186,597,902,974,976
  5. Step 5: Solve for x
    x = 292,881,186,597,902,974,976/19,689,597,963.76
  6. Step 6: Final answer
    x = 14,874,919,596.48

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Double scale
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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.