Home / 416,427,338.36-620,918,040.02-404,986,327.18

Finding the Fourth Proportional to 416,427,338.36, 620,918,040.02 and 404,986,327.18

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Solution

The fourth proportional to 416,427,338.36, 620,918,040.02 and 404,986,327.18 is: 603,858,808.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,427,338.36 : 620,918,040.02 = 404,986,327.18 : x
  2. Step 2: Convert to fraction form
    416,427,338.36/620,918,040.02 = 404,986,327.18/x
  3. Step 3: Cross multiply
    416,427,338.36x = 620,918,040.02 × 404,986,327.18
  4. Step 4: Simplify right side
    416,427,338.36x = 251,463,316,507,504,064
  5. Step 5: Solve for x
    x = 251,463,316,507,504,064/416,427,338.36
  6. Step 6: Final answer
    x = 603,858,808.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.