Home / 19,065,238,190.58-28,604,293,110.09-8,439,996,854.82

Finding the Fourth Proportional to 19,065,238,190.58, 28,604,293,110.09 and 8,439,996,854.82

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Solution

The fourth proportional to 19,065,238,190.58, 28,604,293,110.09 and 8,439,996,854.82 is: 12,662,844,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065,238,190.58 : 28,604,293,110.09 = 8,439,996,854.82 : x
  2. Step 2: Convert to fraction form
    19,065,238,190.58/28,604,293,110.09 = 8,439,996,854.82/x
  3. Step 3: Cross multiply
    19,065,238,190.58x = 28,604,293,110.09 × 8,439,996,854.82
  4. Step 4: Simplify right side
    19,065,238,190.58x = 241,420,143,883,508,973,568
  5. Step 5: Solve for x
    x = 241,420,143,883,508,973,568/19,065,238,190.58
  6. Step 6: Final answer
    x = 12,662,844,359.47

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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.