Home / 449,365,743.52-620,127,019.20-251,130,546.88

Finding the Fourth Proportional to 449,365,743.52, 620,127,019.20 and 251,130,546.88

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Solution

The fourth proportional to 449,365,743.52, 620,127,019.20 and 251,130,546.88 is: 346,561,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,365,743.52 : 620,127,019.20 = 251,130,546.88 : x
  2. Step 2: Convert to fraction form
    449,365,743.52/620,127,019.20 = 251,130,546.88/x
  3. Step 3: Cross multiply
    449,365,743.52x = 620,127,019.20 × 251,130,546.88
  4. Step 4: Simplify right side
    449,365,743.52x = 155,732,837,466,760,256
  5. Step 5: Solve for x
    x = 155,732,837,466,760,256/449,365,743.52
  6. Step 6: Final answer
    x = 346,561,436.23

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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.