Home / 43,530,398,725.69-65,265,239,991.85-19,287,596,295.28

Finding the Fourth Proportional to 43,530,398,725.69, 65,265,239,991.85 and 19,287,596,295.28

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Solution

The fourth proportional to 43,530,398,725.69, 65,265,239,991.85 and 19,287,596,295.28 is: 28,917,943,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,530,398,725.69 : 65,265,239,991.85 = 19,287,596,295.28 : x
  2. Step 2: Convert to fraction form
    43,530,398,725.69/65,265,239,991.85 = 19,287,596,295.28/x
  3. Step 3: Cross multiply
    43,530,398,725.69x = 65,265,239,991.85 × 19,287,596,295.28
  4. Step 4: Simplify right side
    43,530,398,725.69x = 1,258,809,601,076,943,388,672
  5. Step 5: Solve for x
    x = 1,258,809,601,076,943,388,672/43,530,398,725.69
  6. Step 6: Final answer
    x = 28,917,943,274.75

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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.