Home / 220,361,992,827.20-330,053,213,215.20-190,975,431,291.20

Finding the Fourth Proportional to 220,361,992,827.20, 330,053,213,215.20 and 190,975,431,291.20

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Solution

The fourth proportional to 220,361,992,827.20, 330,053,213,215.20 and 190,975,431,291.20 is: 286,038,685,410.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,361,992,827.20 : 330,053,213,215.20 = 190,975,431,291.20 : x
  2. Step 2: Convert to fraction form
    220,361,992,827.20/330,053,213,215.20 = 190,975,431,291.20/x
  3. Step 3: Cross multiply
    220,361,992,827.20x = 330,053,213,215.20 × 190,975,431,291.20
  4. Step 4: Simplify right side
    220,361,992,827.20x = 63,032,054,742,819,220,226,048
  5. Step 5: Solve for x
    x = 63,032,054,742,819,220,226,048/220,361,992,827.20
  6. Step 6: Final answer
    x = 286,038,685,410.90

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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.