Home / 505,522,195.80-758,283,293.70-310,802,213.40

Finding the Fourth Proportional to 505,522,195.80, 758,283,293.70 and 310,802,213.40

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Solution

The fourth proportional to 505,522,195.80, 758,283,293.70 and 310,802,213.40 is: 466,203,320.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,522,195.80 : 758,283,293.70 = 310,802,213.40 : x
  2. Step 2: Convert to fraction form
    505,522,195.80/758,283,293.70 = 310,802,213.40/x
  3. Step 3: Cross multiply
    505,522,195.80x = 758,283,293.70 × 310,802,213.40
  4. Step 4: Simplify right side
    505,522,195.80x = 235,676,126,066,202,272
  5. Step 5: Solve for x
    x = 235,676,126,066,202,272/505,522,195.80
  6. Step 6: Final answer
    x = 466,203,320.10

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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.