Home / 19,279,842,795.78-28,906,561,648.62-9,818,171,527.38

Finding the Fourth Proportional to 19,279,842,795.78, 28,906,561,648.62 and 9,818,171,527.38

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Solution

The fourth proportional to 19,279,842,795.78, 28,906,561,648.62 and 9,818,171,527.38 is: 14,720,533,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279,842,795.78 : 28,906,561,648.62 = 9,818,171,527.38 : x
  2. Step 2: Convert to fraction form
    19,279,842,795.78/28,906,561,648.62 = 9,818,171,527.38/x
  3. Step 3: Cross multiply
    19,279,842,795.78x = 28,906,561,648.62 × 9,818,171,527.38
  4. Step 4: Simplify right side
    19,279,842,795.78x = 283,809,580,532,935,524,352
  5. Step 5: Solve for x
    x = 283,809,580,532,935,524,352/19,279,842,795.78
  6. Step 6: Final answer
    x = 14,720,533,955.55

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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.