Home / 419,772,227.45-579,287,676.64-231,600,509.42

Finding the Fourth Proportional to 419,772,227.45, 579,287,676.64 and 231,600,509.42

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Solution

The fourth proportional to 419,772,227.45, 579,287,676.64 and 231,600,509.42 is: 319,609,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,772,227.45 : 579,287,676.64 = 231,600,509.42 : x
  2. Step 2: Convert to fraction form
    419,772,227.45/579,287,676.64 = 231,600,509.42/x
  3. Step 3: Cross multiply
    419,772,227.45x = 579,287,676.64 × 231,600,509.42
  4. Step 4: Simplify right side
    419,772,227.45x = 134,163,321,010,552,224
  5. Step 5: Solve for x
    x = 134,163,321,010,552,224/419,772,227.45
  6. Step 6: Final answer
    x = 319,609,807.98

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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.