Home / 2,540,527,777.11-3,810,368,991.06-769,477,421.37

Finding the Fourth Proportional to 2,540,527,777.11, 3,810,368,991.06 and 769,477,421.37

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Solution

The fourth proportional to 2,540,527,777.11, 3,810,368,991.06 and 769,477,421.37 is: 1,154,088,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540,527,777.11 : 3,810,368,991.06 = 769,477,421.37 : x
  2. Step 2: Convert to fraction form
    2,540,527,777.11/3,810,368,991.06 = 769,477,421.37/x
  3. Step 3: Cross multiply
    2,540,527,777.11x = 3,810,368,991.06 × 769,477,421.37
  4. Step 4: Simplify right side
    2,540,527,777.11x = 2,931,992,905,709,057,536
  5. Step 5: Solve for x
    x = 2,931,992,905,709,057,536/2,540,527,777.11
  6. Step 6: Final answer
    x = 1,154,088,111.98

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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.