Home / 18,912,039,132.80-28,368,112,553.40-5,467,417,518

Finding the Fourth Proportional to 18,912,039,132.80, 28,368,112,553.40 and 5,467,417,518

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Solution

The fourth proportional to 18,912,039,132.80, 28,368,112,553.40 and 5,467,417,518 is: 8,201,141,846.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912,039,132.80 : 28,368,112,553.40 = 5,467,417,518 : x
  2. Step 2: Convert to fraction form
    18,912,039,132.80/28,368,112,553.40 = 5,467,417,518/x
  3. Step 3: Cross multiply
    18,912,039,132.80x = 28,368,112,553.40 × 5,467,417,518
  4. Step 4: Simplify right side
    18,912,039,132.80x = 155,100,315,527,054,884,864
  5. Step 5: Solve for x
    x = 155,100,315,527,054,884,864/18,912,039,132.80
  6. Step 6: Final answer
    x = 8,201,141,846.10

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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.