Home / 12,602,618,620.71-17,392,605,101.37-7,177,383,624.68

Finding the Fourth Proportional to 12,602,618,620.71, 17,392,605,101.37 and 7,177,383,624.68

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Solution

The fourth proportional to 12,602,618,620.71, 17,392,605,101.37 and 7,177,383,624.68 is: 9,905,354,022.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,618,620.71 : 17,392,605,101.37 = 7,177,383,624.68 : x
  2. Step 2: Convert to fraction form
    12,602,618,620.71/17,392,605,101.37 = 7,177,383,624.68/x
  3. Step 3: Cross multiply
    12,602,618,620.71x = 17,392,605,101.37 × 7,177,383,624.68
  4. Step 4: Simplify right side
    12,602,618,620.71x = 124,833,399,045,077,991,424
  5. Step 5: Solve for x
    x = 124,833,399,045,077,991,424/12,602,618,620.71
  6. Step 6: Final answer
    x = 9,905,354,022.22

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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.