Home / 291,648,253.74-402,505,780.38-178,692,707.64

Finding the Fourth Proportional to 291,648,253.74, 402,505,780.38 and 178,692,707.64

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Solution

The fourth proportional to 291,648,253.74, 402,505,780.38 and 178,692,707.64 is: 246,615,046.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,648,253.74 : 402,505,780.38 = 178,692,707.64 : x
  2. Step 2: Convert to fraction form
    291,648,253.74/402,505,780.38 = 178,692,707.64/x
  3. Step 3: Cross multiply
    291,648,253.74x = 402,505,780.38 × 178,692,707.64
  4. Step 4: Simplify right side
    291,648,253.74x = 71,924,847,736,853,384
  5. Step 5: Solve for x
    x = 71,924,847,736,853,384/291,648,253.74
  6. Step 6: Final answer
    x = 246,615,046.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.