Home / 414,878,475.40-622,349,205.90-123,722,873.80

Finding the Fourth Proportional to 414,878,475.40, 622,349,205.90 and 123,722,873.80

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Solution

The fourth proportional to 414,878,475.40, 622,349,205.90 and 123,722,873.80 is: 185,593,702.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,878,475.40 : 622,349,205.90 = 123,722,873.80 : x
  2. Step 2: Convert to fraction form
    414,878,475.40/622,349,205.90 = 123,722,873.80/x
  3. Step 3: Cross multiply
    414,878,475.40x = 622,349,205.90 × 123,722,873.80
  4. Step 4: Simplify right side
    414,878,475.40x = 76,998,832,261,095,904
  5. Step 5: Solve for x
    x = 76,998,832,261,095,904/414,878,475.40
  6. Step 6: Final answer
    x = 185,593,702.32

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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.