Home / 455,224,772.16-682,813,069.92-127,723,083.84

Finding the Fourth Proportional to 455,224,772.16, 682,813,069.92 and 127,723,083.84

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Solution

The fourth proportional to 455,224,772.16, 682,813,069.92 and 127,723,083.84 is: 191,577,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,224,772.16 : 682,813,069.92 = 127,723,083.84 : x
  2. Step 2: Convert to fraction form
    455,224,772.16/682,813,069.92 = 127,723,083.84/x
  3. Step 3: Cross multiply
    455,224,772.16x = 682,813,069.92 × 127,723,083.84
  4. Step 4: Simplify right side
    455,224,772.16x = 87,210,990,976,439,936
  5. Step 5: Solve for x
    x = 87,210,990,976,439,936/455,224,772.16
  6. Step 6: Final answer
    x = 191,577,867.26

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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.