Home / 470,348,134.57-705,476,580.99-142,826,481.01

Finding the Fourth Proportional to 470,348,134.57, 705,476,580.99 and 142,826,481.01

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Solution

The fourth proportional to 470,348,134.57, 705,476,580.99 and 142,826,481.01 is: 214,225,868.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,348,134.57 : 705,476,580.99 = 142,826,481.01 : x
  2. Step 2: Convert to fraction form
    470,348,134.57/705,476,580.99 = 142,826,481.01/x
  3. Step 3: Cross multiply
    470,348,134.57x = 705,476,580.99 × 142,826,481.01
  4. Step 4: Simplify right side
    470,348,134.57x = 100,760,737,497,767,952
  5. Step 5: Solve for x
    x = 100,760,737,497,767,952/470,348,134.57
  6. Step 6: Final answer
    x = 214,225,868.23

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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.