Home / 564,728,211.89-779,343,857.54-313,843,178.07

Finding the Fourth Proportional to 564,728,211.89, 779,343,857.54 and 313,843,178.07

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Solution

The fourth proportional to 564,728,211.89, 779,343,857.54 and 313,843,178.07 is: 433,114,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,728,211.89 : 779,343,857.54 = 313,843,178.07 : x
  2. Step 2: Convert to fraction form
    564,728,211.89/779,343,857.54 = 313,843,178.07/x
  3. Step 3: Cross multiply
    564,728,211.89x = 779,343,857.54 × 313,843,178.07
  4. Step 4: Simplify right side
    564,728,211.89x = 244,591,753,058,117,696
  5. Step 5: Solve for x
    x = 244,591,753,058,117,696/564,728,211.89
  6. Step 6: Final answer
    x = 433,114,103.23

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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.