Home / 449,365,736.52-620,127,009.54-251,130,539.88

Finding the Fourth Proportional to 449,365,736.52, 620,127,009.54 and 251,130,539.88

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Solution

The fourth proportional to 449,365,736.52, 620,127,009.54 and 251,130,539.88 is: 346,561,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,365,736.52 : 620,127,009.54 = 251,130,539.88 : x
  2. Step 2: Convert to fraction form
    449,365,736.52/620,127,009.54 = 251,130,539.88/x
  3. Step 3: Cross multiply
    449,365,736.52x = 620,127,009.54 × 251,130,539.88
  4. Step 4: Simplify right side
    449,365,736.52x = 155,732,830,699,950,112
  5. Step 5: Solve for x
    x = 155,732,830,699,950,112/449,365,736.52
  6. Step 6: Final answer
    x = 346,561,426.57

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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.