Home / 5,118,156,782.30-7,677,235,173.45-2,012,840,731.10

Finding the Fourth Proportional to 5,118,156,782.30, 7,677,235,173.45 and 2,012,840,731.10

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Solution

The fourth proportional to 5,118,156,782.30, 7,677,235,173.45 and 2,012,840,731.10 is: 3,019,261,096.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118,156,782.30 : 7,677,235,173.45 = 2,012,840,731.10 : x
  2. Step 2: Convert to fraction form
    5,118,156,782.30/7,677,235,173.45 = 2,012,840,731.10/x
  3. Step 3: Cross multiply
    5,118,156,782.30x = 7,677,235,173.45 × 2,012,840,731.10
  4. Step 4: Simplify right side
    5,118,156,782.30x = 15,453,051,659,353,733,120
  5. Step 5: Solve for x
    x = 15,453,051,659,353,733,120/5,118,156,782.30
  6. Step 6: Final answer
    x = 3,019,261,096.65

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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.