Home / 502,833,629.32-693,970,817.42-304,589,307.36

Finding the Fourth Proportional to 502,833,629.32, 693,970,817.42 and 304,589,307.36

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Solution

The fourth proportional to 502,833,629.32, 693,970,817.42 and 304,589,307.36 is: 420,369,836.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,833,629.32 : 693,970,817.42 = 304,589,307.36 : x
  2. Step 2: Convert to fraction form
    502,833,629.32/693,970,817.42 = 304,589,307.36/x
  3. Step 3: Cross multiply
    502,833,629.32x = 693,970,817.42 × 304,589,307.36
  4. Step 4: Simplify right side
    502,833,629.32x = 211,376,090,606,010,816
  5. Step 5: Solve for x
    x = 211,376,090,606,010,816/502,833,629.32
  6. Step 6: Final answer
    x = 420,369,836.62

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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.