Home / 510,336,002.40-765,504,003.60-291,761,973.60

Finding the Fourth Proportional to 510,336,002.40, 765,504,003.60 and 291,761,973.60

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Solution

The fourth proportional to 510,336,002.40, 765,504,003.60 and 291,761,973.60 is: 437,642,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,336,002.40 : 765,504,003.60 = 291,761,973.60 : x
  2. Step 2: Convert to fraction form
    510,336,002.40/765,504,003.60 = 291,761,973.60/x
  3. Step 3: Cross multiply
    510,336,002.40x = 765,504,003.60 × 291,761,973.60
  4. Step 4: Simplify right side
    510,336,002.40x = 223,344,958,889,037,536
  5. Step 5: Solve for x
    x = 223,344,958,889,037,536/510,336,002.40
  6. Step 6: Final answer
    x = 437,642,960.40

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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.