Home / 12,096,037,747.40-18,129,723,897.90-5,108,835,187.40

Finding the Fourth Proportional to 12,096,037,747.40, 18,129,723,897.90 and 5,108,835,187.40

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Solution

The fourth proportional to 12,096,037,747.40, 18,129,723,897.90 and 5,108,835,187.40 is: 7,657,199,268.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,037,747.40 : 18,129,723,897.90 = 5,108,835,187.40 : x
  2. Step 2: Convert to fraction form
    12,096,037,747.40/18,129,723,897.90 = 5,108,835,187.40/x
  3. Step 3: Cross multiply
    12,096,037,747.40x = 18,129,723,897.90 × 5,108,835,187.40
  4. Step 4: Simplify right side
    12,096,037,747.40x = 92,621,771,387,438,202,880
  5. Step 5: Solve for x
    x = 92,621,771,387,438,202,880/12,096,037,747.40
  6. Step 6: Final answer
    x = 7,657,199,268.19

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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.