Home / 561,174,558.42-774,389,652.80-310,264,444.28

Finding the Fourth Proportional to 561,174,558.42, 774,389,652.80 and 310,264,444.28

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Solution

The fourth proportional to 561,174,558.42, 774,389,652.80 and 310,264,444.28 is: 428,147,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,174,558.42 : 774,389,652.80 = 310,264,444.28 : x
  2. Step 2: Convert to fraction form
    561,174,558.42/774,389,652.80 = 310,264,444.28/x
  3. Step 3: Cross multiply
    561,174,558.42x = 774,389,652.80 × 310,264,444.28
  4. Step 4: Simplify right side
    561,174,558.42x = 240,265,575,282,174,112
  5. Step 5: Solve for x
    x = 240,265,575,282,174,112/561,174,558.42
  6. Step 6: Final answer
    x = 428,147,662.22

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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.