Home / 20,666,141,816.56-30,974,028,611.20-10,712,097,769.44

Finding the Fourth Proportional to 20,666,141,816.56, 30,974,028,611.20 and 10,712,097,769.44

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Solution

The fourth proportional to 20,666,141,816.56, 30,974,028,611.20 and 10,712,097,769.44 is: 16,055,092,708.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,666,141,816.56 : 30,974,028,611.20 = 10,712,097,769.44 : x
  2. Step 2: Convert to fraction form
    20,666,141,816.56/30,974,028,611.20 = 10,712,097,769.44/x
  3. Step 3: Cross multiply
    20,666,141,816.56x = 30,974,028,611.20 × 10,712,097,769.44
  4. Step 4: Simplify right side
    20,666,141,816.56x = 331,796,822,796,606,308,352
  5. Step 5: Solve for x
    x = 331,796,822,796,606,308,352/20,666,141,816.56
  6. Step 6: Final answer
    x = 16,055,092,708.73

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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.