Home / 1,319,251,046.64-1,978,874,898.83-336,677,608.04

Finding the Fourth Proportional to 1,319,251,046.64, 1,978,874,898.83 and 336,677,608.04

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Solution

The fourth proportional to 1,319,251,046.64, 1,978,874,898.83 and 336,677,608.04 is: 505,015,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,251,046.64 : 1,978,874,898.83 = 336,677,608.04 : x
  2. Step 2: Convert to fraction form
    1,319,251,046.64/1,978,874,898.83 = 336,677,608.04/x
  3. Step 3: Cross multiply
    1,319,251,046.64x = 1,978,874,898.83 × 336,677,608.04
  4. Step 4: Simplify right side
    1,319,251,046.64x = 666,242,867,536,903,680
  5. Step 5: Solve for x
    x = 666,242,867,536,903,680/1,319,251,046.64
  6. Step 6: Final answer
    x = 505,015,985.57

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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.