Home / 491,058,579.60-734,462,105.40-439,615,090.80

Finding the Fourth Proportional to 491,058,579.60, 734,462,105.40 and 439,615,090.80

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Solution

The fourth proportional to 491,058,579.60, 734,462,105.40 and 439,615,090.80 is: 657,519,568.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,058,579.60 : 734,462,105.40 = 439,615,090.80 : x
  2. Step 2: Convert to fraction form
    491,058,579.60/734,462,105.40 = 439,615,090.80/x
  3. Step 3: Cross multiply
    491,058,579.60x = 734,462,105.40 × 439,615,090.80
  4. Step 4: Simplify right side
    491,058,579.60x = 322,880,625,154,580,160
  5. Step 5: Solve for x
    x = 322,880,625,154,580,160/491,058,579.60
  6. Step 6: Final answer
    x = 657,519,568.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.