Home / 1,631,653,012.62-2,447,476,460.16-511,262,447.52

Finding the Fourth Proportional to 1,631,653,012.62, 2,447,476,460.16 and 511,262,447.52

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Solution

The fourth proportional to 1,631,653,012.62, 2,447,476,460.16 and 511,262,447.52 is: 766,892,712.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,653,012.62 : 2,447,476,460.16 = 511,262,447.52 : x
  2. Step 2: Convert to fraction form
    1,631,653,012.62/2,447,476,460.16 = 511,262,447.52/x
  3. Step 3: Cross multiply
    1,631,653,012.62x = 2,447,476,460.16 × 511,262,447.52
  4. Step 4: Simplify right side
    1,631,653,012.62x = 1,251,302,805,268,987,136
  5. Step 5: Solve for x
    x = 1,251,302,805,268,987,136/1,631,653,012.62
  6. Step 6: Final answer
    x = 766,892,712.84

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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.