Home / 628,375,822.25-867,158,631.31-364,211,042.74

Finding the Fourth Proportional to 628,375,822.25, 867,158,631.31 and 364,211,042.74

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Solution

The fourth proportional to 628,375,822.25, 867,158,631.31 and 364,211,042.74 is: 502,611,237.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,375,822.25 : 867,158,631.31 = 364,211,042.74 : x
  2. Step 2: Convert to fraction form
    628,375,822.25/867,158,631.31 = 364,211,042.74/x
  3. Step 3: Cross multiply
    628,375,822.25x = 867,158,631.31 × 364,211,042.74
  4. Step 4: Simplify right side
    628,375,822.25x = 315,828,749,330,102,976
  5. Step 5: Solve for x
    x = 315,828,749,330,102,976/628,375,822.25
  6. Step 6: Final answer
    x = 502,611,237.01

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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.