Home / 561,259,495.59-774,543,115.52-310,380,863.32

Finding the Fourth Proportional to 561,259,495.59, 774,543,115.52 and 310,380,863.32

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Solution

The fourth proportional to 561,259,495.59, 774,543,115.52 and 310,380,863.32 is: 428,328,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,259,495.59 : 774,543,115.52 = 310,380,863.32 : x
  2. Step 2: Convert to fraction form
    561,259,495.59/774,543,115.52 = 310,380,863.32/x
  3. Step 3: Cross multiply
    561,259,495.59x = 774,543,115.52 × 310,380,863.32
  4. Step 4: Simplify right side
    561,259,495.59x = 240,403,360,873,660,064
  5. Step 5: Solve for x
    x = 240,403,360,873,660,064/561,259,495.59
  6. Step 6: Final answer
    x = 428,328,362.84

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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.