Home / 722,302,663.50-996,783,533.37-392,280,164.46

Finding the Fourth Proportional to 722,302,663.50, 996,783,533.37 and 392,280,164.46

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Solution

The fourth proportional to 722,302,663.50, 996,783,533.37 and 392,280,164.46 is: 541,349,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,302,663.50 : 996,783,533.37 = 392,280,164.46 : x
  2. Step 2: Convert to fraction form
    722,302,663.50/996,783,533.37 = 392,280,164.46/x
  3. Step 3: Cross multiply
    722,302,663.50x = 996,783,533.37 × 392,280,164.46
  4. Step 4: Simplify right side
    722,302,663.50x = 391,018,408,401,403,456
  5. Step 5: Solve for x
    x = 391,018,408,401,403,456/722,302,663.50
  6. Step 6: Final answer
    x = 541,349,808.27

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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.