Home / 590,576,329.44-815,018,645.52-339,680,319.84

Finding the Fourth Proportional to 590,576,329.44, 815,018,645.52 and 339,680,319.84

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Solution

The fourth proportional to 590,576,329.44, 815,018,645.52 and 339,680,319.84 is: 468,772,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,576,329.44 : 815,018,645.52 = 339,680,319.84 : x
  2. Step 2: Convert to fraction form
    590,576,329.44/815,018,645.52 = 339,680,319.84/x
  3. Step 3: Cross multiply
    590,576,329.44x = 815,018,645.52 × 339,680,319.84
  4. Step 4: Simplify right side
    590,576,329.44x = 276,845,794,185,797,152
  5. Step 5: Solve for x
    x = 276,845,794,185,797,152/590,576,329.44
  6. Step 6: Final answer
    x = 468,772,249.05

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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.