Home / 3,139,747,261.30-4,709,620,891.96-958,709,898.10

Finding the Fourth Proportional to 3,139,747,261.30, 4,709,620,891.96 and 958,709,898.10

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Solution

The fourth proportional to 3,139,747,261.30, 4,709,620,891.96 and 958,709,898.10 is: 1,438,064,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139,747,261.30 : 4,709,620,891.96 = 958,709,898.10 : x
  2. Step 2: Convert to fraction form
    3,139,747,261.30/4,709,620,891.96 = 958,709,898.10/x
  3. Step 3: Cross multiply
    3,139,747,261.30x = 4,709,620,891.96 × 958,709,898.10
  4. Step 4: Simplify right side
    3,139,747,261.30x = 4,515,160,165,420,602,880
  5. Step 5: Solve for x
    x = 4,515,160,165,420,602,880/3,139,747,261.30
  6. Step 6: Final answer
    x = 1,438,064,847.15

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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.