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Finding the Fourth Proportional to 297,567,459.52, 445,927,296.88 and 219,228,282.88

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Solution

The fourth proportional to 297,567,459.52, 445,927,296.88 and 219,228,282.88 is: 328,530,128.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,567,459.52 : 445,927,296.88 = 219,228,282.88 : x
  2. Step 2: Convert to fraction form
    297,567,459.52/445,927,296.88 = 219,228,282.88/x
  3. Step 3: Cross multiply
    297,567,459.52x = 445,927,296.88 × 219,228,282.88
  4. Step 4: Simplify right side
    297,567,459.52x = 97,759,875,584,322,384
  5. Step 5: Solve for x
    x = 97,759,875,584,322,384/297,567,459.52
  6. Step 6: Final answer
    x = 328,530,128.07

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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.