Home / 14,086,558,187.16-19,439,188,780.32-7,742,790,404.52

Finding the Fourth Proportional to 14,086,558,187.16, 19,439,188,780.32 and 7,742,790,404.52

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Solution

The fourth proportional to 14,086,558,187.16, 19,439,188,780.32 and 7,742,790,404.52 is: 10,684,907,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086,558,187.16 : 19,439,188,780.32 = 7,742,790,404.52 : x
  2. Step 2: Convert to fraction form
    14,086,558,187.16/19,439,188,780.32 = 7,742,790,404.52/x
  3. Step 3: Cross multiply
    14,086,558,187.16x = 19,439,188,780.32 × 7,742,790,404.52
  4. Step 4: Simplify right side
    14,086,558,187.16x = 150,513,564,359,914,553,344
  5. Step 5: Solve for x
    x = 150,513,564,359,914,553,344/14,086,558,187.16
  6. Step 6: Final answer
    x = 10,684,907,012.78

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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.