Home / 20,144,198,838.02-30,216,354,944.33-7,726,335,855.62

Finding the Fourth Proportional to 20,144,198,838.02, 30,216,354,944.33 and 7,726,335,855.62

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Solution

The fourth proportional to 20,144,198,838.02, 30,216,354,944.33 and 7,726,335,855.62 is: 11,589,525,525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144,198,838.02 : 30,216,354,944.33 = 7,726,335,855.62 : x
  2. Step 2: Convert to fraction form
    20,144,198,838.02/30,216,354,944.33 = 7,726,335,855.62/x
  3. Step 3: Cross multiply
    20,144,198,838.02x = 30,216,354,944.33 × 7,726,335,855.62
  4. Step 4: Simplify right side
    20,144,198,838.02x = 233,461,706,632,389,623,808
  5. Step 5: Solve for x
    x = 233,461,706,632,389,623,808/20,144,198,838.02
  6. Step 6: Final answer
    x = 11,589,525,525.92

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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.