Home / 43,530,398,717.42-65,265,239,979.42-19,287,596,286.98

Finding the Fourth Proportional to 43,530,398,717.42, 65,265,239,979.42 and 19,287,596,286.98

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Solution

The fourth proportional to 43,530,398,717.42, 65,265,239,979.42 and 19,287,596,286.98 is: 28,917,943,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530,398,717.42 : 65,265,239,979.42 = 19,287,596,286.98 : x
  2. Step 2: Convert to fraction form
    43,530,398,717.42/65,265,239,979.42 = 19,287,596,286.98/x
  3. Step 3: Cross multiply
    43,530,398,717.42x = 65,265,239,979.42 × 19,287,596,286.98
  4. Step 4: Simplify right side
    43,530,398,717.42x = 1,258,809,600,295,593,312,256
  5. Step 5: Solve for x
    x = 1,258,809,600,295,593,312,256/43,530,398,717.42
  6. Step 6: Final answer
    x = 28,917,943,262.30

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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.