Home / 30,581,757,496.48-42,204,946,441.40-18,539,275,871.56

Finding the Fourth Proportional to 30,581,757,496.48, 42,204,946,441.40 and 18,539,275,871.56

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Solution

The fourth proportional to 30,581,757,496.48, 42,204,946,441.40 and 18,539,275,871.56 is: 25,585,486,553.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581,757,496.48 : 42,204,946,441.40 = 18,539,275,871.56 : x
  2. Step 2: Convert to fraction form
    30,581,757,496.48/42,204,946,441.40 = 18,539,275,871.56/x
  3. Step 3: Cross multiply
    30,581,757,496.48x = 42,204,946,441.40 × 18,539,275,871.56
  4. Step 4: Simplify right side
    30,581,757,496.48x = 782,449,145,221,529,206,784
  5. Step 5: Solve for x
    x = 782,449,145,221,529,206,784/30,581,757,496.48
  6. Step 6: Final answer
    x = 25,585,486,553.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.