Home / 1,820,664,686.88-2,512,525,179.78-985,289,327.64

Finding the Fourth Proportional to 1,820,664,686.88, 2,512,525,179.78 and 985,289,327.64

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Solution

The fourth proportional to 1,820,664,686.88, 2,512,525,179.78 and 985,289,327.64 is: 1,359,703,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,664,686.88 : 2,512,525,179.78 = 985,289,327.64 : x
  2. Step 2: Convert to fraction form
    1,820,664,686.88/2,512,525,179.78 = 985,289,327.64/x
  3. Step 3: Cross multiply
    1,820,664,686.88x = 2,512,525,179.78 × 985,289,327.64
  4. Step 4: Simplify right side
    1,820,664,686.88x = 2,475,564,245,064,006,656
  5. Step 5: Solve for x
    x = 2,475,564,245,064,006,656/1,820,664,686.88
  6. Step 6: Final answer
    x = 1,359,703,553.82

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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.