Home / 272,719,872,783.60-409,079,809,175.40-197,838,560,425.20

Finding the Fourth Proportional to 272,719,872,783.60, 409,079,809,175.40 and 197,838,560,425.20

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Solution

The fourth proportional to 272,719,872,783.60, 409,079,809,175.40 and 197,838,560,425.20 is: 296,757,840,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,719,872,783.60 : 409,079,809,175.40 = 197,838,560,425.20 : x
  2. Step 2: Convert to fraction form
    272,719,872,783.60/409,079,809,175.40 = 197,838,560,425.20/x
  3. Step 3: Cross multiply
    272,719,872,783.60x = 409,079,809,175.40 × 197,838,560,425.20
  4. Step 4: Simplify right side
    272,719,872,783.60x = 80,931,760,546,276,672,798,720
  5. Step 5: Solve for x
    x = 80,931,760,546,276,672,798,720/272,719,872,783.60
  6. Step 6: Final answer
    x = 296,757,840,637.80

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1.5x scale

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.