Home / 401,231,911.05-602,038,059.73-193,854,074.31

Finding the Fourth Proportional to 401,231,911.05, 602,038,059.73 and 193,854,074.31

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Solution

The fourth proportional to 401,231,911.05, 602,038,059.73 and 193,854,074.31 is: 290,873,002.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,231,911.05 : 602,038,059.73 = 193,854,074.31 : x
  2. Step 2: Convert to fraction form
    401,231,911.05/602,038,059.73 = 193,854,074.31/x
  3. Step 3: Cross multiply
    401,231,911.05x = 602,038,059.73 × 193,854,074.31
  4. Step 4: Simplify right side
    401,231,911.05x = 116,707,530,767,862,992
  5. Step 5: Solve for x
    x = 116,707,530,767,862,992/401,231,911.05
  6. Step 6: Final answer
    x = 290,873,002.75

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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.