Home / 917,423,993.29-1,375,572,784.81-356,530,900.53

Finding the Fourth Proportional to 917,423,993.29, 1,375,572,784.81 and 356,530,900.53

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Solution

The fourth proportional to 917,423,993.29, 1,375,572,784.81 and 356,530,900.53 is: 534,577,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,423,993.29 : 1,375,572,784.81 = 356,530,900.53 : x
  2. Step 2: Convert to fraction form
    917,423,993.29/1,375,572,784.81 = 356,530,900.53/x
  3. Step 3: Cross multiply
    917,423,993.29x = 1,375,572,784.81 × 356,530,900.53
  4. Step 4: Simplify right side
    917,423,993.29x = 490,434,203,707,647,616
  5. Step 5: Solve for x
    x = 490,434,203,707,647,616/917,423,993.29
  6. Step 6: Final answer
    x = 534,577,477.04

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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.