Home / 529,952,858.55-731,403,590.36-303,980,004.63

Finding the Fourth Proportional to 529,952,858.55, 731,403,590.36 and 303,980,004.63

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Solution

The fourth proportional to 529,952,858.55, 731,403,590.36 and 303,980,004.63 is: 419,531,781.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,952,858.55 : 731,403,590.36 = 303,980,004.63 : x
  2. Step 2: Convert to fraction form
    529,952,858.55/731,403,590.36 = 303,980,004.63/x
  3. Step 3: Cross multiply
    529,952,858.55x = 731,403,590.36 × 303,980,004.63
  4. Step 4: Simplify right side
    529,952,858.55x = 222,332,066,782,511,520
  5. Step 5: Solve for x
    x = 222,332,066,782,511,520/529,952,858.55
  6. Step 6: Final answer
    x = 419,531,781.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.