Home / 406,322,765.88-609,334,649.76-140,360,817.48

Finding the Fourth Proportional to 406,322,765.88, 609,334,649.76 and 140,360,817.48

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Solution

The fourth proportional to 406,322,765.88, 609,334,649.76 and 140,360,817.48 is: 210,489,583.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,322,765.88 : 609,334,649.76 = 140,360,817.48 : x
  2. Step 2: Convert to fraction form
    406,322,765.88/609,334,649.76 = 140,360,817.48/x
  3. Step 3: Cross multiply
    406,322,765.88x = 609,334,649.76 × 140,360,817.48
  4. Step 4: Simplify right side
    406,322,765.88x = 85,526,709,559,203,072
  5. Step 5: Solve for x
    x = 85,526,709,559,203,072/406,322,765.88
  6. Step 6: Final answer
    x = 210,489,583.01

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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.