Home / 504,478,200.42-696,179,608.65-272,691,192.42

Finding the Fourth Proportional to 504,478,200.42, 696,179,608.65 and 272,691,192.42

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Solution

The fourth proportional to 504,478,200.42, 696,179,608.65 and 272,691,192.42 is: 376,313,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,478,200.42 : 696,179,608.65 = 272,691,192.42 : x
  2. Step 2: Convert to fraction form
    504,478,200.42/696,179,608.65 = 272,691,192.42/x
  3. Step 3: Cross multiply
    504,478,200.42x = 696,179,608.65 × 272,691,192.42
  4. Step 4: Simplify right side
    504,478,200.42x = 189,842,047,621,257,440
  5. Step 5: Solve for x
    x = 189,842,047,621,257,440/504,478,200.42
  6. Step 6: Final answer
    x = 376,313,679.09

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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.