Home / 529,098,709.32-730,159,057.88-290,959,249.86

Finding the Fourth Proportional to 529,098,709.32, 730,159,057.88 and 290,959,249.86

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Solution

The fourth proportional to 529,098,709.32, 730,159,057.88 and 290,959,249.86 is: 401,525,326.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,098,709.32 : 730,159,057.88 = 290,959,249.86 : x
  2. Step 2: Convert to fraction form
    529,098,709.32/730,159,057.88 = 290,959,249.86/x
  3. Step 3: Cross multiply
    529,098,709.32x = 730,159,057.88 × 290,959,249.86
  4. Step 4: Simplify right side
    529,098,709.32x = 212,446,531,759,249,120
  5. Step 5: Solve for x
    x = 212,446,531,759,249,120/529,098,709.32
  6. Step 6: Final answer
    x = 401,525,326.03

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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.