Home / 19,689,597,723.73-27,171,646,186.86-10,778,926,476.73

Finding the Fourth Proportional to 19,689,597,723.73, 27,171,646,186.86 and 10,778,926,476.73

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Solution

The fourth proportional to 19,689,597,723.73, 27,171,646,186.86 and 10,778,926,476.73 is: 14,874,919,264.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689,597,723.73 : 27,171,646,186.86 = 10,778,926,476.73 : x
  2. Step 2: Convert to fraction form
    19,689,597,723.73/27,171,646,186.86 = 10,778,926,476.73/x
  3. Step 3: Cross multiply
    19,689,597,723.73x = 27,171,646,186.86 × 10,778,926,476.73
  4. Step 4: Simplify right side
    19,689,597,723.73x = 292,881,176,499,884,982,272
  5. Step 5: Solve for x
    x = 292,881,176,499,884,982,272/19,689,597,723.73
  6. Step 6: Final answer
    x = 14,874,919,264.95

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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.