Home / 550,669,045.60-759,900,003.12-299,768,221.36

Finding the Fourth Proportional to 550,669,045.60, 759,900,003.12 and 299,768,221.36

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Solution

The fourth proportional to 550,669,045.60, 759,900,003.12 and 299,768,221.36 is: 413,667,472.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,669,045.60 : 759,900,003.12 = 299,768,221.36 : x
  2. Step 2: Convert to fraction form
    550,669,045.60/759,900,003.12 = 299,768,221.36/x
  3. Step 3: Cross multiply
    550,669,045.60x = 759,900,003.12 × 299,768,221.36
  4. Step 4: Simplify right side
    550,669,045.60x = 227,793,872,346,740,864
  5. Step 5: Solve for x
    x = 227,793,872,346,740,864/550,669,045.60
  6. Step 6: Final answer
    x = 413,667,472.63

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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.