Home / 727,665,619.80-1,091,498,429.70-555,478,735.80

Finding the Fourth Proportional to 727,665,619.80, 1,091,498,429.70 and 555,478,735.80

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Solution

The fourth proportional to 727,665,619.80, 1,091,498,429.70 and 555,478,735.80 is: 833,218,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,665,619.80 : 1,091,498,429.70 = 555,478,735.80 : x
  2. Step 2: Convert to fraction form
    727,665,619.80/1,091,498,429.70 = 555,478,735.80/x
  3. Step 3: Cross multiply
    727,665,619.80x = 1,091,498,429.70 × 555,478,735.80
  4. Step 4: Simplify right side
    727,665,619.80x = 606,304,167,857,441,152
  5. Step 5: Solve for x
    x = 606,304,167,857,441,152/727,665,619.80
  6. Step 6: Final answer
    x = 833,218,103.70

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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.