Home / 1,030,949,331.13-1,423,009,871.52-673,770,839.38

Finding the Fourth Proportional to 1,030,949,331.13, 1,423,009,871.52 and 673,770,839.38

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Solution

The fourth proportional to 1,030,949,331.13, 1,423,009,871.52 and 673,770,839.38 is: 929,999,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,949,331.13 : 1,423,009,871.52 = 673,770,839.38 : x
  2. Step 2: Convert to fraction form
    1,030,949,331.13/1,423,009,871.52 = 673,770,839.38/x
  3. Step 3: Cross multiply
    1,030,949,331.13x = 1,423,009,871.52 × 673,770,839.38
  4. Step 4: Simplify right side
    1,030,949,331.13x = 958,782,555,580,056,320
  5. Step 5: Solve for x
    x = 958,782,555,580,056,320/1,030,949,331.13
  6. Step 6: Final answer
    x = 929,999,687.31

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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.