Home / 7,209,750,643.16-9,949,324,200.76-3,994,648,908.14

Finding the Fourth Proportional to 7,209,750,643.16, 9,949,324,200.76 and 3,994,648,908.14

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Solution

The fourth proportional to 7,209,750,643.16, 9,949,324,200.76 and 3,994,648,908.14 is: 5,512,542,530.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209,750,643.16 : 9,949,324,200.76 = 3,994,648,908.14 : x
  2. Step 2: Convert to fraction form
    7,209,750,643.16/9,949,324,200.76 = 3,994,648,908.14/x
  3. Step 3: Cross multiply
    7,209,750,643.16x = 9,949,324,200.76 × 3,994,648,908.14
  4. Step 4: Simplify right side
    7,209,750,643.16x = 39,744,057,055,296,815,104
  5. Step 5: Solve for x
    x = 39,744,057,055,296,815,104/7,209,750,643.16
  6. Step 6: Final answer
    x = 5,512,542,530.58

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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.