Home / 491,615,078.22-736,943,322.60-196,422,188.96

Finding the Fourth Proportional to 491,615,078.22, 736,943,322.60 and 196,422,188.96

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Solution

The fourth proportional to 491,615,078.22, 736,943,322.60 and 196,422,188.96 is: 294,441,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,615,078.22 : 736,943,322.60 = 196,422,188.96 : x
  2. Step 2: Convert to fraction form
    491,615,078.22/736,943,322.60 = 196,422,188.96/x
  3. Step 3: Cross multiply
    491,615,078.22x = 736,943,322.60 × 196,422,188.96
  4. Step 4: Simplify right side
    491,615,078.22x = 144,752,020,564,547,456
  5. Step 5: Solve for x
    x = 144,752,020,564,547,456/491,615,078.22
  6. Step 6: Final answer
    x = 294,441,783.78

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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.