Home / 612,584,209.07-845,437,677.82-348,305,800.47

Finding the Fourth Proportional to 612,584,209.07, 845,437,677.82 and 348,305,800.47

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Solution

The fourth proportional to 612,584,209.07, 845,437,677.82 and 348,305,800.47 is: 480,702,640.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,584,209.07 : 845,437,677.82 = 348,305,800.47 : x
  2. Step 2: Convert to fraction form
    612,584,209.07/845,437,677.82 = 348,305,800.47/x
  3. Step 3: Cross multiply
    612,584,209.07x = 845,437,677.82 × 348,305,800.47
  4. Step 4: Simplify right side
    612,584,209.07x = 294,470,847,120,593,088
  5. Step 5: Solve for x
    x = 294,470,847,120,593,088/612,584,209.07
  6. Step 6: Final answer
    x = 480,702,640.98

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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.