Home / 526,155,134.08-726,095,638.60-291,222,112

Finding the Fourth Proportional to 526,155,134.08, 726,095,638.60 and 291,222,112

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Solution

The fourth proportional to 526,155,134.08, 726,095,638.60 and 291,222,112 is: 401,887,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,155,134.08 : 726,095,638.60 = 291,222,112 : x
  2. Step 2: Convert to fraction form
    526,155,134.08/726,095,638.60 = 291,222,112/x
  3. Step 3: Cross multiply
    526,155,134.08x = 726,095,638.60 × 291,222,112
  4. Step 4: Simplify right side
    526,155,134.08x = 211,455,105,387,080,736
  5. Step 5: Solve for x
    x = 211,455,105,387,080,736/526,155,134.08
  6. Step 6: Final answer
    x = 401,887,374.45

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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.