Home / 319,578,185.99-479,505,377.54-171,853,083.77

Finding the Fourth Proportional to 319,578,185.99, 479,505,377.54 and 171,853,083.77

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Solution

The fourth proportional to 319,578,185.99, 479,505,377.54 and 171,853,083.77 is: 257,853,888.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,578,185.99 : 479,505,377.54 = 171,853,083.77 : x
  2. Step 2: Convert to fraction form
    319,578,185.99/479,505,377.54 = 171,853,083.77/x
  3. Step 3: Cross multiply
    319,578,185.99x = 479,505,377.54 × 171,853,083.77
  4. Step 4: Simplify right side
    319,578,185.99x = 82,404,477,812,579,200
  5. Step 5: Solve for x
    x = 82,404,477,812,579,200/319,578,185.99
  6. Step 6: Final answer
    x = 257,853,888.11

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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.