Home / 13,281,508,358.39-19,922,262,538.95-4,438,347,212.68

Finding the Fourth Proportional to 13,281,508,358.39, 19,922,262,538.95 and 4,438,347,212.68

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Solution

The fourth proportional to 13,281,508,358.39, 19,922,262,538.95 and 4,438,347,212.68 is: 6,657,520,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281,508,358.39 : 19,922,262,538.95 = 4,438,347,212.68 : x
  2. Step 2: Convert to fraction form
    13,281,508,358.39/19,922,262,538.95 = 4,438,347,212.68/x
  3. Step 3: Cross multiply
    13,281,508,358.39x = 19,922,262,538.95 × 4,438,347,212.68
  4. Step 4: Simplify right side
    13,281,508,358.39x = 88,421,918,409,906,110,464
  5. Step 5: Solve for x
    x = 88,421,918,409,906,110,464/13,281,508,358.39
  6. Step 6: Final answer
    x = 6,657,520,819.47

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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.