Home / 528,385,072.93-729,151,424.07-293,450,866.98

Finding the Fourth Proportional to 528,385,072.93, 729,151,424.07 and 293,450,866.98

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Solution

The fourth proportional to 528,385,072.93, 729,151,424.07 and 293,450,866.98 is: 404,951,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,385,072.93 : 729,151,424.07 = 293,450,866.98 : x
  2. Step 2: Convert to fraction form
    528,385,072.93/729,151,424.07 = 293,450,866.98/x
  3. Step 3: Cross multiply
    528,385,072.93x = 729,151,424.07 × 293,450,866.98
  4. Step 4: Simplify right side
    528,385,072.93x = 213,970,117,553,043,168
  5. Step 5: Solve for x
    x = 213,970,117,553,043,168/528,385,072.93
  6. Step 6: Final answer
    x = 404,951,101.98

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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.