Home / 1,030,949,331.26-1,423,009,871.69-673,770,839.51

Finding the Fourth Proportional to 1,030,949,331.26, 1,423,009,871.69 and 673,770,839.51

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Solution

The fourth proportional to 1,030,949,331.26, 1,423,009,871.69 and 673,770,839.51 is: 929,999,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,949,331.26 : 1,423,009,871.69 = 673,770,839.51 : x
  2. Step 2: Convert to fraction form
    1,030,949,331.26/1,423,009,871.69 = 673,770,839.51/x
  3. Step 3: Cross multiply
    1,030,949,331.26x = 1,423,009,871.69 × 673,770,839.51
  4. Step 4: Simplify right side
    1,030,949,331.26x = 958,782,555,874,158,080
  5. Step 5: Solve for x
    x = 958,782,555,874,158,080/1,030,949,331.26
  6. Step 6: Final answer
    x = 929,999,687.48

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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.