Home / 13,886,640,081.42-20,829,903,435.09-5,043,461,841.42

Finding the Fourth Proportional to 13,886,640,081.42, 20,829,903,435.09 and 5,043,461,841.42

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Solution

The fourth proportional to 13,886,640,081.42, 20,829,903,435.09 and 5,043,461,841.42 is: 7,565,172,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,640,081.42 : 20,829,903,435.09 = 5,043,461,841.42 : x
  2. Step 2: Convert to fraction form
    13,886,640,081.42/20,829,903,435.09 = 5,043,461,841.42/x
  3. Step 3: Cross multiply
    13,886,640,081.42x = 20,829,903,435.09 × 5,043,461,841.42
  4. Step 4: Simplify right side
    13,886,640,081.42x = 105,054,823,135,339,790,336
  5. Step 5: Solve for x
    x = 105,054,823,135,339,790,336/13,886,640,081.42
  6. Step 6: Final answer
    x = 7,565,172,174.07

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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.