Home / 13,306,728,611.52-18,363,430,602.72-7,366,380,315.84

Finding the Fourth Proportional to 13,306,728,611.52, 18,363,430,602.72 and 7,366,380,315.84

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Solution

The fourth proportional to 13,306,728,611.52, 18,363,430,602.72 and 7,366,380,315.84 is: 10,165,685,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306,728,611.52 : 18,363,430,602.72 = 7,366,380,315.84 : x
  2. Step 2: Convert to fraction form
    13,306,728,611.52/18,363,430,602.72 = 7,366,380,315.84/x
  3. Step 3: Cross multiply
    13,306,728,611.52x = 18,363,430,602.72 × 7,366,380,315.84
  4. Step 4: Simplify right side
    13,306,728,611.52x = 135,272,013,723,170,488,320
  5. Step 5: Solve for x
    x = 135,272,013,723,170,488,320/13,306,728,611.52
  6. Step 6: Final answer
    x = 10,165,685,171.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.