Home / 612,584,208.83-845,437,677.48-348,305,800.22

Finding the Fourth Proportional to 612,584,208.83, 845,437,677.48 and 348,305,800.22

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Solution

The fourth proportional to 612,584,208.83, 845,437,677.48 and 348,305,800.22 is: 480,702,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,584,208.83 : 845,437,677.48 = 348,305,800.22 : x
  2. Step 2: Convert to fraction form
    612,584,208.83/845,437,677.48 = 348,305,800.22/x
  3. Step 3: Cross multiply
    612,584,208.83x = 845,437,677.48 × 348,305,800.22
  4. Step 4: Simplify right side
    612,584,208.83x = 294,470,846,792,923,328
  5. Step 5: Solve for x
    x = 294,470,846,792,923,328/612,584,208.83
  6. Step 6: Final answer
    x = 480,702,640.63

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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.