Home / 3,174,520,021.96-4,382,975,380.98-2,838,951,407.56

Finding the Fourth Proportional to 3,174,520,021.96, 4,382,975,380.98 and 2,838,951,407.56

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Solution

The fourth proportional to 3,174,520,021.96, 4,382,975,380.98 and 2,838,951,407.56 is: 3,919,664,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174,520,021.96 : 4,382,975,380.98 = 2,838,951,407.56 : x
  2. Step 2: Convert to fraction form
    3,174,520,021.96/4,382,975,380.98 = 2,838,951,407.56/x
  3. Step 3: Cross multiply
    3,174,520,021.96x = 4,382,975,380.98 × 2,838,951,407.56
  4. Step 4: Simplify right side
    3,174,520,021.96x = 12,443,054,127,133,997,056
  5. Step 5: Solve for x
    x = 12,443,054,127,133,997,056/3,174,520,021.96
  6. Step 6: Final answer
    x = 3,919,664,718.15

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Double scale
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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.