Home / 18,109,813,474.80-27,148,564,405.80-7,065,760,906.80

Finding the Fourth Proportional to 18,109,813,474.80, 27,148,564,405.80 and 7,065,760,906.80

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Solution

The fourth proportional to 18,109,813,474.80, 27,148,564,405.80 and 7,065,760,906.80 is: 10,592,337,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109,813,474.80 : 27,148,564,405.80 = 7,065,760,906.80 : x
  2. Step 2: Convert to fraction form
    18,109,813,474.80/27,148,564,405.80 = 7,065,760,906.80/x
  3. Step 3: Cross multiply
    18,109,813,474.80x = 27,148,564,405.80 × 7,065,760,906.80
  4. Step 4: Simplify right side
    18,109,813,474.80x = 191,825,265,054,243,618,816
  5. Step 5: Solve for x
    x = 191,825,265,054,243,618,816/18,109,813,474.80
  6. Step 6: Final answer
    x = 10,592,337,978.59

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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.