Home / 982,399,741.54-1,356,323,476.89-625,368,968.22

Finding the Fourth Proportional to 982,399,741.54, 1,356,323,476.89 and 625,368,968.22

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Solution

The fourth proportional to 982,399,741.54, 1,356,323,476.89 and 625,368,968.22 is: 863,398,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,399,741.54 : 1,356,323,476.89 = 625,368,968.22 : x
  2. Step 2: Convert to fraction form
    982,399,741.54/1,356,323,476.89 = 625,368,968.22/x
  3. Step 3: Cross multiply
    982,399,741.54x = 1,356,323,476.89 × 625,368,968.22
  4. Step 4: Simplify right side
    982,399,741.54x = 848,202,613,315,262,464
  5. Step 5: Solve for x
    x = 848,202,613,315,262,464/982,399,741.54
  6. Step 6: Final answer
    x = 863,398,652.76

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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.