Home / 12,456,530,983.32-17,188,163,567.64-7,565,554,309.92

Finding the Fourth Proportional to 12,456,530,983.32, 17,188,163,567.64 and 7,565,554,309.92

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Solution

The fourth proportional to 12,456,530,983.32, 17,188,163,567.64 and 7,565,554,309.92 is: 10,439,341,830.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,530,983.32 : 17,188,163,567.64 = 7,565,554,309.92 : x
  2. Step 2: Convert to fraction form
    12,456,530,983.32/17,188,163,567.64 = 7,565,554,309.92/x
  3. Step 3: Cross multiply
    12,456,530,983.32x = 17,188,163,567.64 × 7,565,554,309.92
  4. Step 4: Simplify right side
    12,456,530,983.32x = 130,037,984,958,768,726,016
  5. Step 5: Solve for x
    x = 130,037,984,958,768,726,016/12,456,530,983.32
  6. Step 6: Final answer
    x = 10,439,341,830.63

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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.