Home / 805,140,122.55-1,207,575,650.51-222,933,221.02

Finding the Fourth Proportional to 805,140,122.55, 1,207,575,650.51 and 222,933,221.02

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Solution

The fourth proportional to 805,140,122.55, 1,207,575,650.51 and 222,933,221.02 is: 334,362,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,140,122.55 : 1,207,575,650.51 = 222,933,221.02 : x
  2. Step 2: Convert to fraction form
    805,140,122.55/1,207,575,650.51 = 222,933,221.02/x
  3. Step 3: Cross multiply
    805,140,122.55x = 1,207,575,650.51 × 222,933,221.02
  4. Step 4: Simplify right side
    805,140,122.55x = 269,208,729,393,516,128
  5. Step 5: Solve for x
    x = 269,208,729,393,516,128/805,140,122.55
  6. Step 6: Final answer
    x = 334,362,580.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.