Home / 7,209,750,642.16-9,949,324,199.39-3,994,648,907.14

Finding the Fourth Proportional to 7,209,750,642.16, 9,949,324,199.39 and 3,994,648,907.14

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Solution

The fourth proportional to 7,209,750,642.16, 9,949,324,199.39 and 3,994,648,907.14 is: 5,512,542,529.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,750,642.16 : 9,949,324,199.39 = 3,994,648,907.14 : x
  2. Step 2: Convert to fraction form
    7,209,750,642.16/9,949,324,199.39 = 3,994,648,907.14/x
  3. Step 3: Cross multiply
    7,209,750,642.16x = 9,949,324,199.39 × 3,994,648,907.14
  4. Step 4: Simplify right side
    7,209,750,642.16x = 39,744,057,039,854,845,952
  5. Step 5: Solve for x
    x = 39,744,057,039,854,845,952/7,209,750,642.16
  6. Step 6: Final answer
    x = 5,512,542,529.21

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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.