Home / 449,305,881.76-620,030,222.92-251,069,005.50

Finding the Fourth Proportional to 449,305,881.76, 620,030,222.92 and 251,069,005.50

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Solution

The fourth proportional to 449,305,881.76, 620,030,222.92 and 251,069,005.50 is: 346,468,581.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,305,881.76 : 620,030,222.92 = 251,069,005.50 : x
  2. Step 2: Convert to fraction form
    449,305,881.76/620,030,222.92 = 251,069,005.50/x
  3. Step 3: Cross multiply
    449,305,881.76x = 620,030,222.92 × 251,069,005.50
  4. Step 4: Simplify right side
    449,305,881.76x = 155,670,371,448,467,680
  5. Step 5: Solve for x
    x = 155,670,371,448,467,680/449,305,881.76
  6. Step 6: Final answer
    x = 346,468,581.36

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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.