Home / 2,639,951,261.52-3,957,465,116.16-891,931,538.64

Finding the Fourth Proportional to 2,639,951,261.52, 3,957,465,116.16 and 891,931,538.64

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Solution

The fourth proportional to 2,639,951,261.52, 3,957,465,116.16 and 891,931,538.64 is: 1,337,065,574.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639,951,261.52 : 3,957,465,116.16 = 891,931,538.64 : x
  2. Step 2: Convert to fraction form
    2,639,951,261.52/3,957,465,116.16 = 891,931,538.64/x
  3. Step 3: Cross multiply
    2,639,951,261.52x = 3,957,465,116.16 × 891,931,538.64
  4. Step 4: Simplify right side
    2,639,951,261.52x = 3,529,787,950,170,715,136
  5. Step 5: Solve for x
    x = 3,529,787,950,170,715,136/2,639,951,261.52
  6. Step 6: Final answer
    x = 1,337,065,574.51

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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.