Home / 220,361,986,988.20-330,053,204,456.70-190,975,425,452.20

Finding the Fourth Proportional to 220,361,986,988.20, 330,053,204,456.70 and 190,975,425,452.20

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Solution

The fourth proportional to 220,361,986,988.20, 330,053,204,456.70 and 190,975,425,452.20 is: 286,038,676,654.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,361,986,988.20 : 330,053,204,456.70 = 190,975,425,452.20 : x
  2. Step 2: Convert to fraction form
    220,361,986,988.20/330,053,204,456.70 = 190,975,425,452.20/x
  3. Step 3: Cross multiply
    220,361,986,988.20x = 330,053,204,456.70 × 190,975,425,452.20
  4. Step 4: Simplify right side
    220,361,986,988.20x = 63,032,051,142,980,242,767,872
  5. Step 5: Solve for x
    x = 63,032,051,142,980,242,767,872/220,361,986,988.20
  6. Step 6: Final answer
    x = 286,038,676,654.13

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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.