Home / 2,129,365,507.40-3,191,193,206.01-1,657,234,658.40

Finding the Fourth Proportional to 2,129,365,507.40, 3,191,193,206.01 and 1,657,234,658.40

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Solution

The fourth proportional to 2,129,365,507.40, 3,191,193,206.01 and 1,657,234,658.40 is: 2,483,629,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,365,507.40 : 3,191,193,206.01 = 1,657,234,658.40 : x
  2. Step 2: Convert to fraction form
    2,129,365,507.40/3,191,193,206.01 = 1,657,234,658.40/x
  3. Step 3: Cross multiply
    2,129,365,507.40x = 3,191,193,206.01 × 1,657,234,658.40
  4. Step 4: Simplify right side
    2,129,365,507.40x = 5,288,555,982,650,383,360
  5. Step 5: Solve for x
    x = 5,288,555,982,650,383,360/2,129,365,507.40
  6. Step 6: Final answer
    x = 2,483,629,965.96

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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.