Home / 12,861,419,298.63-19,289,989,160.58-3,895,476,872.02

Finding the Fourth Proportional to 12,861,419,298.63, 19,289,989,160.58 and 3,895,476,872.02

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Solution

The fourth proportional to 12,861,419,298.63, 19,289,989,160.58 and 3,895,476,872.02 is: 5,842,567,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861,419,298.63 : 19,289,989,160.58 = 3,895,476,872.02 : x
  2. Step 2: Convert to fraction form
    12,861,419,298.63/19,289,989,160.58 = 3,895,476,872.02/x
  3. Step 3: Cross multiply
    12,861,419,298.63x = 19,289,989,160.58 × 3,895,476,872.02
  4. Step 4: Simplify right side
    12,861,419,298.63x = 75,143,706,636,555,894,784
  5. Step 5: Solve for x
    x = 75,143,706,636,555,894,784/12,861,419,298.63
  6. Step 6: Final answer
    x = 5,842,567,207.54

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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.