Home / 491,615,046.56-736,943,275.13-196,422,157.31

Finding the Fourth Proportional to 491,615,046.56, 736,943,275.13 and 196,422,157.31

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Solution

The fourth proportional to 491,615,046.56, 736,943,275.13 and 196,422,157.31 is: 294,441,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,615,046.56 : 736,943,275.13 = 196,422,157.31 : x
  2. Step 2: Convert to fraction form
    491,615,046.56/736,943,275.13 = 196,422,157.31/x
  3. Step 3: Cross multiply
    491,615,046.56x = 736,943,275.13 × 196,422,157.31
  4. Step 4: Simplify right side
    491,615,046.56x = 144,751,987,911,464,640
  5. Step 5: Solve for x
    x = 144,751,987,911,464,640/491,615,046.56
  6. Step 6: Final answer
    x = 294,441,736.32

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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.