Home / 13,538,612,263.68-20,312,656,467.84-5,263,305,894.72

Finding the Fourth Proportional to 13,538,612,263.68, 20,312,656,467.84 and 5,263,305,894.72

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Solution

The fourth proportional to 13,538,612,263.68, 20,312,656,467.84 and 5,263,305,894.72 is: 7,896,800,827.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,538,612,263.68 : 20,312,656,467.84 = 5,263,305,894.72 : x
  2. Step 2: Convert to fraction form
    13,538,612,263.68/20,312,656,467.84 = 5,263,305,894.72/x
  3. Step 3: Cross multiply
    13,538,612,263.68x = 20,312,656,467.84 × 5,263,305,894.72
  4. Step 4: Simplify right side
    13,538,612,263.68x = 106,911,724,524,604,604,416
  5. Step 5: Solve for x
    x = 106,911,724,524,604,604,416/13,538,612,263.68
  6. Step 6: Final answer
    x = 7,896,800,827.32

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1.5x scale

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.