Home / 805,140,121.55-1,207,575,649.01-222,933,220.02

Finding the Fourth Proportional to 805,140,121.55, 1,207,575,649.01 and 222,933,220.02

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Solution

The fourth proportional to 805,140,121.55, 1,207,575,649.01 and 222,933,220.02 is: 334,362,579.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,140,121.55 : 1,207,575,649.01 = 222,933,220.02 : x
  2. Step 2: Convert to fraction form
    805,140,121.55/1,207,575,649.01 = 222,933,220.02/x
  3. Step 3: Cross multiply
    805,140,121.55x = 1,207,575,649.01 × 222,933,220.02
  4. Step 4: Simplify right side
    805,140,121.55x = 269,208,727,852,097,984
  5. Step 5: Solve for x
    x = 269,208,727,852,097,984/805,140,121.55
  6. Step 6: Final answer
    x = 334,362,579.44

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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.