Home / 3,174,520,016.96-4,382,975,374.08-2,838,951,402.56

Finding the Fourth Proportional to 3,174,520,016.96, 4,382,975,374.08 and 2,838,951,402.56

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Solution

The fourth proportional to 3,174,520,016.96, 4,382,975,374.08 and 2,838,951,402.56 is: 3,919,664,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174,520,016.96 : 4,382,975,374.08 = 2,838,951,402.56 : x
  2. Step 2: Convert to fraction form
    3,174,520,016.96/4,382,975,374.08 = 2,838,951,402.56/x
  3. Step 3: Cross multiply
    3,174,520,016.96x = 4,382,975,374.08 × 2,838,951,402.56
  4. Step 4: Simplify right side
    3,174,520,016.96x = 12,443,054,085,630,355,456
  5. Step 5: Solve for x
    x = 12,443,054,085,630,355,456/3,174,520,016.96
  6. Step 6: Final answer
    x = 3,919,664,711.25

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1.5x scale

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.