Home / 2,840,538,172.36-3,920,063,738.30-1,587,474,991.35

Finding the Fourth Proportional to 2,840,538,172.36, 3,920,063,738.30 and 1,587,474,991.35

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Solution

The fourth proportional to 2,840,538,172.36, 3,920,063,738.30 and 1,587,474,991.35 is: 2,190,783,144.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,538,172.36 : 3,920,063,738.30 = 1,587,474,991.35 : x
  2. Step 2: Convert to fraction form
    2,840,538,172.36/3,920,063,738.30 = 1,587,474,991.35/x
  3. Step 3: Cross multiply
    2,840,538,172.36x = 3,920,063,738.30 × 1,587,474,991.35
  4. Step 4: Simplify right side
    2,840,538,172.36x = 6,223,003,149,021,704,192
  5. Step 5: Solve for x
    x = 6,223,003,149,021,704,192/2,840,538,172.36
  6. Step 6: Final answer
    x = 2,190,783,144.40

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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.