Home / 18,577,775,036.51-27,855,258,017.82-7,219,690,158.71

Finding the Fourth Proportional to 18,577,775,036.51, 27,855,258,017.82 and 7,219,690,158.71

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Solution

The fourth proportional to 18,577,775,036.51, 27,855,258,017.82 and 7,219,690,158.71 is: 10,825,103,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577,775,036.51 : 27,855,258,017.82 = 7,219,690,158.71 : x
  2. Step 2: Convert to fraction form
    18,577,775,036.51/27,855,258,017.82 = 7,219,690,158.71/x
  3. Step 3: Cross multiply
    18,577,775,036.51x = 27,855,258,017.82 × 7,219,690,158.71
  4. Step 4: Simplify right side
    18,577,775,036.51x = 201,106,332,179,518,914,560
  5. Step 5: Solve for x
    x = 201,106,332,179,518,914,560/18,577,775,036.51
  6. Step 6: Final answer
    x = 10,825,103,209.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.