Home / 470,348,135.07-705,476,581.74-142,826,481.51

Finding the Fourth Proportional to 470,348,135.07, 705,476,581.74 and 142,826,481.51

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Solution

The fourth proportional to 470,348,135.07, 705,476,581.74 and 142,826,481.51 is: 214,225,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,348,135.07 : 705,476,581.74 = 142,826,481.51 : x
  2. Step 2: Convert to fraction form
    470,348,135.07/705,476,581.74 = 142,826,481.51/x
  3. Step 3: Cross multiply
    470,348,135.07x = 705,476,581.74 × 142,826,481.51
  4. Step 4: Simplify right side
    470,348,135.07x = 100,760,737,957,626,112
  5. Step 5: Solve for x
    x = 100,760,737,957,626,112/470,348,135.07
  6. Step 6: Final answer
    x = 214,225,868.98

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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.