Home / 1,078,217,184.04-1,617,504,572.22-378,527,727.40

Finding the Fourth Proportional to 1,078,217,184.04, 1,617,504,572.22 and 378,527,727.40

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Solution

The fourth proportional to 1,078,217,184.04, 1,617,504,572.22 and 378,527,727.40 is: 567,854,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,217,184.04 : 1,617,504,572.22 = 378,527,727.40 : x
  2. Step 2: Convert to fraction form
    1,078,217,184.04/1,617,504,572.22 = 378,527,727.40/x
  3. Step 3: Cross multiply
    1,078,217,184.04x = 1,617,504,572.22 × 378,527,727.40
  4. Step 4: Simplify right side
    1,078,217,184.04x = 612,270,329,781,545,728
  5. Step 5: Solve for x
    x = 612,270,329,781,545,728/1,078,217,184.04
  6. Step 6: Final answer
    x = 567,854,360.74

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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.