Home / 827,388,708.68-1,141,804,119.54-456,124,025.96

Finding the Fourth Proportional to 827,388,708.68, 1,141,804,119.54 and 456,124,025.96

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Solution

The fourth proportional to 827,388,708.68, 1,141,804,119.54 and 456,124,025.96 is: 629,455,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,388,708.68 : 1,141,804,119.54 = 456,124,025.96 : x
  2. Step 2: Convert to fraction form
    827,388,708.68/1,141,804,119.54 = 456,124,025.96/x
  3. Step 3: Cross multiply
    827,388,708.68x = 1,141,804,119.54 × 456,124,025.96
  4. Step 4: Simplify right side
    827,388,708.68x = 520,804,291,862,297,856
  5. Step 5: Solve for x
    x = 520,804,291,862,297,856/827,388,708.68
  6. Step 6: Final answer
    x = 629,455,401.55

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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.