Home / 547,629,009.76-821,436,339.48-133,104,626.87

Finding the Fourth Proportional to 547,629,009.76, 821,436,339.48 and 133,104,626.87

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Solution

The fourth proportional to 547,629,009.76, 821,436,339.48 and 133,104,626.87 is: 199,655,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,629,009.76 : 821,436,339.48 = 133,104,626.87 : x
  2. Step 2: Convert to fraction form
    547,629,009.76/821,436,339.48 = 133,104,626.87/x
  3. Step 3: Cross multiply
    547,629,009.76x = 821,436,339.48 × 133,104,626.87
  4. Step 4: Simplify right side
    547,629,009.76x = 109,336,977,463,278,528
  5. Step 5: Solve for x
    x = 109,336,977,463,278,528/547,629,009.76
  6. Step 6: Final answer
    x = 199,655,196.34

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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.