Home / 12,861,419,289.19-19,289,989,146.52-3,895,476,862.58

Finding the Fourth Proportional to 12,861,419,289.19, 19,289,989,146.52 and 3,895,476,862.58

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Solution

The fourth proportional to 12,861,419,289.19, 19,289,989,146.52 and 3,895,476,862.58 is: 5,842,567,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,419,289.19 : 19,289,989,146.52 = 3,895,476,862.58 : x
  2. Step 2: Convert to fraction form
    12,861,419,289.19/19,289,989,146.52 = 3,895,476,862.58/x
  3. Step 3: Cross multiply
    12,861,419,289.19x = 19,289,989,146.52 × 3,895,476,862.58
  4. Step 4: Simplify right side
    12,861,419,289.19x = 75,143,706,399,666,798,592
  5. Step 5: Solve for x
    x = 75,143,706,399,666,798,592/12,861,419,289.19
  6. Step 6: Final answer
    x = 5,842,567,193.41

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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.