Home / 7,209,750,748.82-9,949,324,345.89-3,994,649,011.94

Finding the Fourth Proportional to 7,209,750,748.82, 9,949,324,345.89 and 3,994,649,011.94

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Solution

The fourth proportional to 7,209,750,748.82, 9,949,324,345.89 and 3,994,649,011.94 is: 5,512,542,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,750,748.82 : 9,949,324,345.89 = 3,994,649,011.94 : x
  2. Step 2: Convert to fraction form
    7,209,750,748.82/9,949,324,345.89 = 3,994,649,011.94/x
  3. Step 3: Cross multiply
    7,209,750,748.82x = 9,949,324,345.89 × 3,994,649,011.94
  4. Step 4: Simplify right side
    7,209,750,748.82x = 39,744,058,667,780,071,424
  5. Step 5: Solve for x
    x = 39,744,058,667,780,071,424/7,209,750,748.82
  6. Step 6: Final answer
    x = 5,512,542,673.45

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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.