Home / 561,174,559.41-774,389,654.19-310,264,445.28

Finding the Fourth Proportional to 561,174,559.41, 774,389,654.19 and 310,264,445.28

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Solution

The fourth proportional to 561,174,559.41, 774,389,654.19 and 310,264,445.28 is: 428,147,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,174,559.41 : 774,389,654.19 = 310,264,445.28 : x
  2. Step 2: Convert to fraction form
    561,174,559.41/774,389,654.19 = 310,264,445.28/x
  3. Step 3: Cross multiply
    561,174,559.41x = 774,389,654.19 × 310,264,445.28
  4. Step 4: Simplify right side
    561,174,559.41x = 240,265,576,487,831,360
  5. Step 5: Solve for x
    x = 240,265,576,487,831,360/561,174,559.41
  6. Step 6: Final answer
    x = 428,147,663.61

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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.