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Finding the Fourth Proportional to 667,444,046.95, 920,988,113.52 and 365,950,024.12

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Solution

The fourth proportional to 667,444,046.95, 920,988,113.52 and 365,950,024.12 is: 504,964,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,444,046.95 : 920,988,113.52 = 365,950,024.12 : x
  2. Step 2: Convert to fraction form
    667,444,046.95/920,988,113.52 = 365,950,024.12/x
  3. Step 3: Cross multiply
    667,444,046.95x = 920,988,113.52 × 365,950,024.12
  4. Step 4: Simplify right side
    667,444,046.95x = 337,035,622,356,877,312
  5. Step 5: Solve for x
    x = 337,035,622,356,877,312/667,444,046.95
  6. Step 6: Final answer
    x = 504,964,609.24

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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.