Home / 9,128,100,179.79-12,596,750,144.25-5,059,261,346.73

Finding the Fourth Proportional to 9,128,100,179.79, 12,596,750,144.25 and 5,059,261,346.73

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Solution

The fourth proportional to 9,128,100,179.79, 12,596,750,144.25 and 5,059,261,346.73 is: 6,981,765,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,128,100,179.79 : 12,596,750,144.25 = 5,059,261,346.73 : x
  2. Step 2: Convert to fraction form
    9,128,100,179.79/12,596,750,144.25 = 5,059,261,346.73/x
  3. Step 3: Cross multiply
    9,128,100,179.79x = 12,596,750,144.25 × 5,059,261,346.73
  4. Step 4: Simplify right side
    9,128,100,179.79x = 63,730,251,099,219,574,784
  5. Step 5: Solve for x
    x = 63,730,251,099,219,574,784/9,128,100,179.79
  6. Step 6: Final answer
    x = 6,981,765,081.89

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1.5x scale

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.