Home / 220,361,986,989.20-330,053,204,458.20-190,975,425,453.20

Finding the Fourth Proportional to 220,361,986,989.20, 330,053,204,458.20 and 190,975,425,453.20

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Solution

The fourth proportional to 220,361,986,989.20, 330,053,204,458.20 and 190,975,425,453.20 is: 286,038,676,655.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,361,986,989.20 : 330,053,204,458.20 = 190,975,425,453.20 : x
  2. Step 2: Convert to fraction form
    220,361,986,989.20/330,053,204,458.20 = 190,975,425,453.20/x
  3. Step 3: Cross multiply
    220,361,986,989.20x = 330,053,204,458.20 × 190,975,425,453.20
  4. Step 4: Simplify right side
    220,361,986,989.20x = 63,032,051,143,596,755,124,224
  5. Step 5: Solve for x
    x = 63,032,051,143,596,755,124,224/220,361,986,989.20
  6. Step 6: Final answer
    x = 286,038,676,655.63

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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.