Home / 441,621,788.31-609,438,071.29-243,383,285.32

Finding the Fourth Proportional to 441,621,788.31, 609,438,071.29 and 243,383,285.32

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Solution

The fourth proportional to 441,621,788.31, 609,438,071.29 and 243,383,285.32 is: 335,868,935.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,621,788.31 : 609,438,071.29 = 243,383,285.32 : x
  2. Step 2: Convert to fraction form
    441,621,788.31/609,438,071.29 = 243,383,285.32/x
  3. Step 3: Cross multiply
    441,621,788.31x = 609,438,071.29 × 243,383,285.32
  4. Step 4: Simplify right side
    441,621,788.31x = 148,327,039,991,565,312
  5. Step 5: Solve for x
    x = 148,327,039,991,565,312/441,621,788.31
  6. Step 6: Final answer
    x = 335,868,935.63

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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.