Home / 665,416,392.36-918,212,997.30-368,052,234.42

Finding the Fourth Proportional to 665,416,392.36, 918,212,997.30 and 368,052,234.42

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Solution

The fourth proportional to 665,416,392.36, 918,212,997.30 and 368,052,234.42 is: 507,877,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,416,392.36 : 918,212,997.30 = 368,052,234.42 : x
  2. Step 2: Convert to fraction form
    665,416,392.36/918,212,997.30 = 368,052,234.42/x
  3. Step 3: Cross multiply
    665,416,392.36x = 918,212,997.30 × 368,052,234.42
  4. Step 4: Simplify right side
    665,416,392.36x = 337,950,345,329,750,400
  5. Step 5: Solve for x
    x = 337,950,345,329,750,400/665,416,392.36
  6. Step 6: Final answer
    x = 507,877,998.21

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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.