Home / 13,410,619,923.18-18,500,840,398.71-7,982,111,648.19

Finding the Fourth Proportional to 13,410,619,923.18, 18,500,840,398.71 and 7,982,111,648.19

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Solution

The fourth proportional to 13,410,619,923.18, 18,500,840,398.71 and 7,982,111,648.19 is: 11,011,852,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,410,619,923.18 : 18,500,840,398.71 = 7,982,111,648.19 : x
  2. Step 2: Convert to fraction form
    13,410,619,923.18/18,500,840,398.71 = 7,982,111,648.19/x
  3. Step 3: Cross multiply
    13,410,619,923.18x = 18,500,840,398.71 × 7,982,111,648.19
  4. Step 4: Simplify right side
    13,410,619,923.18x = 147,675,773,647,847,194,624
  5. Step 5: Solve for x
    x = 147,675,773,647,847,194,624/13,410,619,923.18
  6. Step 6: Final answer
    x = 11,011,852,881.80

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Double scale
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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.