Home / 715,211,603.33-986,770,187.41-417,639,187.00

Finding the Fourth Proportional to 715,211,603.33, 986,770,187.41 and 417,639,187.00

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Solution

The fourth proportional to 715,211,603.33, 986,770,187.41 and 417,639,187.00 is: 576,212,545.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,211,603.33 : 986,770,187.41 = 417,639,187.00 : x
  2. Step 2: Convert to fraction form
    715,211,603.33/986,770,187.41 = 417,639,187.00/x
  3. Step 3: Cross multiply
    715,211,603.33x = 986,770,187.41 × 417,639,187.00
  4. Step 4: Simplify right side
    715,211,603.33x = 412,113,898,819,416,512
  5. Step 5: Solve for x
    x = 412,113,898,819,416,512/715,211,603.33
  6. Step 6: Final answer
    x = 576,212,545.91

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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.