Home / 411,740,018.15-617,629,890.76-135,385,114.19

Finding the Fourth Proportional to 411,740,018.15, 617,629,890.76 and 135,385,114.19

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Solution

The fourth proportional to 411,740,018.15, 617,629,890.76 and 135,385,114.19 is: 203,084,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,740,018.15 : 617,629,890.76 = 135,385,114.19 : x
  2. Step 2: Convert to fraction form
    411,740,018.15/617,629,890.76 = 135,385,114.19/x
  3. Step 3: Cross multiply
    411,740,018.15x = 617,629,890.76 × 135,385,114.19
  4. Step 4: Simplify right side
    411,740,018.15x = 83,617,893,284,273,216
  5. Step 5: Solve for x
    x = 83,617,893,284,273,216/411,740,018.15
  6. Step 6: Final answer
    x = 203,084,202.65

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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.