Home / 19,689,597,851.95-27,171,646,362.53-10,778,926,604.95

Finding the Fourth Proportional to 19,689,597,851.95, 27,171,646,362.53 and 10,778,926,604.95

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Solution

The fourth proportional to 19,689,597,851.95, 27,171,646,362.53 and 10,778,926,604.95 is: 14,874,919,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,689,597,851.95 : 27,171,646,362.53 = 10,778,926,604.95 : x
  2. Step 2: Convert to fraction form
    19,689,597,851.95/27,171,646,362.53 = 10,778,926,604.95/x
  3. Step 3: Cross multiply
    19,689,597,851.95x = 27,171,646,362.53 × 10,778,926,604.95
  4. Step 4: Simplify right side
    19,689,597,851.95x = 292,881,181,877,367,504,896
  5. Step 5: Solve for x
    x = 292,881,181,877,367,504,896/19,689,597,851.95
  6. Step 6: Final answer
    x = 14,874,919,441.20

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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.