Home / 3,862,867,445.28-5,330,885,675.28-2,169,620,016.96

Finding the Fourth Proportional to 3,862,867,445.28, 5,330,885,675.28 and 2,169,620,016.96

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Solution

The fourth proportional to 3,862,867,445.28, 5,330,885,675.28 and 2,169,620,016.96 is: 2,994,147,853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,867,445.28 : 5,330,885,675.28 = 2,169,620,016.96 : x
  2. Step 2: Convert to fraction form
    3,862,867,445.28/5,330,885,675.28 = 2,169,620,016.96/x
  3. Step 3: Cross multiply
    3,862,867,445.28x = 5,330,885,675.28 × 2,169,620,016.96
  4. Step 4: Simplify right side
    3,862,867,445.28x = 11,565,996,269,212,813,312
  5. Step 5: Solve for x
    x = 11,565,996,269,212,813,312/3,862,867,445.28
  6. Step 6: Final answer
    x = 2,994,147,853.39

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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.