Home / 449,737,096.65-620,638,859.97-261,610,530.45

Finding the Fourth Proportional to 449,737,096.65, 620,638,859.97 and 261,610,530.45

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Solution

The fourth proportional to 449,737,096.65, 620,638,859.97 and 261,610,530.45 is: 361,023,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,737,096.65 : 620,638,859.97 = 261,610,530.45 : x
  2. Step 2: Convert to fraction form
    449,737,096.65/620,638,859.97 = 261,610,530.45/x
  3. Step 3: Cross multiply
    449,737,096.65x = 620,638,859.97 × 261,610,530.45
  4. Step 4: Simplify right side
    449,737,096.65x = 162,365,661,374,634,976
  5. Step 5: Solve for x
    x = 162,365,661,374,634,976/449,737,096.65
  6. Step 6: Final answer
    x = 361,023,501.47

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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.