Home / 1,268,557,433.52-1,902,908,867.36-335,856,045.20

Finding the Fourth Proportional to 1,268,557,433.52, 1,902,908,867.36 and 335,856,045.20

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Solution

The fourth proportional to 1,268,557,433.52, 1,902,908,867.36 and 335,856,045.20 is: 503,803,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,557,433.52 : 1,902,908,867.36 = 335,856,045.20 : x
  2. Step 2: Convert to fraction form
    1,268,557,433.52/1,902,908,867.36 = 335,856,045.20/x
  3. Step 3: Cross multiply
    1,268,557,433.52x = 1,902,908,867.36 × 335,856,045.20
  4. Step 4: Simplify right side
    1,268,557,433.52x = 639,103,446,567,540,864
  5. Step 5: Solve for x
    x = 639,103,446,567,540,864/1,268,557,433.52
  6. Step 6: Final answer
    x = 503,803,319.96

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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.