Home / 2,840,538,392.30-3,920,064,041.42-1,587,475,211.15

Finding the Fourth Proportional to 2,840,538,392.30, 3,920,064,041.42 and 1,587,475,211.15

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Solution

The fourth proportional to 2,840,538,392.30, 3,920,064,041.42 and 1,587,475,211.15 is: 2,190,783,447.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,538,392.30 : 3,920,064,041.42 = 1,587,475,211.15 : x
  2. Step 2: Convert to fraction form
    2,840,538,392.30/3,920,064,041.42 = 1,587,475,211.15/x
  3. Step 3: Cross multiply
    2,840,538,392.30x = 3,920,064,041.42 × 1,587,475,211.15
  4. Step 4: Simplify right side
    2,840,538,392.30x = 6,223,004,491,847,198,720
  5. Step 5: Solve for x
    x = 6,223,004,491,847,198,720/2,840,538,392.30
  6. Step 6: Final answer
    x = 2,190,783,447.51

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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.