Home / 13,713,408,029.20-20,570,112,043.80-7,172,311,478.80

Finding the Fourth Proportional to 13,713,408,029.20, 20,570,112,043.80 and 7,172,311,478.80

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Solution

The fourth proportional to 13,713,408,029.20, 20,570,112,043.80 and 7,172,311,478.80 is: 10,758,467,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713,408,029.20 : 20,570,112,043.80 = 7,172,311,478.80 : x
  2. Step 2: Convert to fraction form
    13,713,408,029.20/20,570,112,043.80 = 7,172,311,478.80/x
  3. Step 3: Cross multiply
    13,713,408,029.20x = 20,570,112,043.80 × 7,172,311,478.80
  4. Step 4: Simplify right side
    13,713,408,029.20x = 147,535,250,731,948,867,584
  5. Step 5: Solve for x
    x = 147,535,250,731,948,867,584/13,713,408,029.20
  6. Step 6: Final answer
    x = 10,758,467,218.20

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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.