Home / 20,412,064,128.80-30,593,909,722.80-8,621,159,808.80

Finding the Fourth Proportional to 20,412,064,128.80, 30,593,909,722.80 and 8,621,159,808.80

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Solution

The fourth proportional to 20,412,064,128.80, 30,593,909,722.80 and 8,621,159,808.80 is: 12,921,524,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,064,128.80 : 30,593,909,722.80 = 8,621,159,808.80 : x
  2. Step 2: Convert to fraction form
    20,412,064,128.80/30,593,909,722.80 = 8,621,159,808.80/x
  3. Step 3: Cross multiply
    20,412,064,128.80x = 30,593,909,722.80 × 8,621,159,808.80
  4. Step 4: Simplify right side
    20,412,064,128.80x = 263,754,984,896,258,867,200
  5. Step 5: Solve for x
    x = 263,754,984,896,258,867,200/20,412,064,128.80
  6. Step 6: Final answer
    x = 12,921,524,409.88

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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.