Home / 402,631,408.73-555,566,526.20-226,408,897.37

Finding the Fourth Proportional to 402,631,408.73, 555,566,526.20 and 226,408,897.37

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Solution

The fourth proportional to 402,631,408.73, 555,566,526.20 and 226,408,897.37 is: 312,407,829.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,631,408.73 : 555,566,526.20 = 226,408,897.37 : x
  2. Step 2: Convert to fraction form
    402,631,408.73/555,566,526.20 = 226,408,897.37/x
  3. Step 3: Cross multiply
    402,631,408.73x = 555,566,526.20 × 226,408,897.37
  4. Step 4: Simplify right side
    402,631,408.73x = 125,785,204,614,578,160
  5. Step 5: Solve for x
    x = 125,785,204,614,578,160/402,631,408.73
  6. Step 6: Final answer
    x = 312,407,829.81

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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.