Home / 315,126,667.88-473,521,308.06-169,667,775.08

Finding the Fourth Proportional to 315,126,667.88, 473,521,308.06 and 169,667,775.08

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Solution

The fourth proportional to 315,126,667.88, 473,521,308.06 and 169,667,775.08 is: 254,949,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,126,667.88 : 473,521,308.06 = 169,667,775.08 : x
  2. Step 2: Convert to fraction form
    315,126,667.88/473,521,308.06 = 169,667,775.08/x
  3. Step 3: Cross multiply
    315,126,667.88x = 473,521,308.06 × 169,667,775.08
  4. Step 4: Simplify right side
    315,126,667.88x = 80,341,306,791,511,472
  5. Step 5: Solve for x
    x = 80,341,306,791,511,472/315,126,667.88
  6. Step 6: Final answer
    x = 254,949,247.34

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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.