Home / 2,305,706,506.86-3,179,496,859.74-1,972,282,850.76

Finding the Fourth Proportional to 2,305,706,506.86, 3,179,496,859.74 and 1,972,282,850.76

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Solution

The fourth proportional to 2,305,706,506.86, 3,179,496,859.74 and 1,972,282,850.76 is: 2,719,716,109.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305,706,506.86 : 3,179,496,859.74 = 1,972,282,850.76 : x
  2. Step 2: Convert to fraction form
    2,305,706,506.86/3,179,496,859.74 = 1,972,282,850.76/x
  3. Step 3: Cross multiply
    2,305,706,506.86x = 3,179,496,859.74 × 1,972,282,850.76
  4. Step 4: Simplify right side
    2,305,706,506.86x = 6,270,867,130,510,474,240
  5. Step 5: Solve for x
    x = 6,270,867,130,510,474,240/2,305,706,506.86
  6. Step 6: Final answer
    x = 2,719,716,109.51

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Half scale
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Double scale
Find fourth proportional to 2,305,706,507.86, 3,179,496,861.12 and 1,972,282,851.76
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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.