Home / 503,097,869.12-694,306,772.16-304,876,696.64

Finding the Fourth Proportional to 503,097,869.12, 694,306,772.16 and 304,876,696.64

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Solution

The fourth proportional to 503,097,869.12, 694,306,772.16 and 304,876,696.64 is: 420,749,059.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,097,869.12 : 694,306,772.16 = 304,876,696.64 : x
  2. Step 2: Convert to fraction form
    503,097,869.12/694,306,772.16 = 304,876,696.64/x
  3. Step 3: Cross multiply
    503,097,869.12x = 694,306,772.16 × 304,876,696.64
  4. Step 4: Simplify right side
    503,097,869.12x = 211,677,955,150,921,888
  5. Step 5: Solve for x
    x = 211,677,955,150,921,888/503,097,869.12
  6. Step 6: Final answer
    x = 420,749,059.27

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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.