Home / 2,971,357,346.80-4,446,454,439.40-2,587,397,129.20

Finding the Fourth Proportional to 2,971,357,346.80, 4,446,454,439.40 and 2,587,397,129.20

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Solution

The fourth proportional to 2,971,357,346.80, 4,446,454,439.40 and 2,587,397,129.20 is: 3,871,881,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971,357,346.80 : 4,446,454,439.40 = 2,587,397,129.20 : x
  2. Step 2: Convert to fraction form
    2,971,357,346.80/4,446,454,439.40 = 2,587,397,129.20/x
  3. Step 3: Cross multiply
    2,971,357,346.80x = 4,446,454,439.40 × 2,587,397,129.20
  4. Step 4: Simplify right side
    2,971,357,346.80x = 11,504,743,451,622,154,240
  5. Step 5: Solve for x
    x = 11,504,743,451,622,154,240/2,971,357,346.80
  6. Step 6: Final answer
    x = 3,871,881,469.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.