Home / 805,400,108.87-1,111,415,413.86-448,185,545.33

Finding the Fourth Proportional to 805,400,108.87, 1,111,415,413.86 and 448,185,545.33

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Solution

The fourth proportional to 805,400,108.87, 1,111,415,413.86 and 448,185,545.33 is: 618,475,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,400,108.87 : 1,111,415,413.86 = 448,185,545.33 : x
  2. Step 2: Convert to fraction form
    805,400,108.87/1,111,415,413.86 = 448,185,545.33/x
  3. Step 3: Cross multiply
    805,400,108.87x = 1,111,415,413.86 × 448,185,545.33
  4. Step 4: Simplify right side
    805,400,108.87x = 498,120,323,343,454,592
  5. Step 5: Solve for x
    x = 498,120,323,343,454,592/805,400,108.87
  6. Step 6: Final answer
    x = 618,475,609.65

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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.