Home / 817,719,959.80-1,226,579,939.70-736,090,622.20

Finding the Fourth Proportional to 817,719,959.80, 1,226,579,939.70 and 736,090,622.20

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Solution

The fourth proportional to 817,719,959.80, 1,226,579,939.70 and 736,090,622.20 is: 1,104,135,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,719,959.80 : 1,226,579,939.70 = 736,090,622.20 : x
  2. Step 2: Convert to fraction form
    817,719,959.80/1,226,579,939.70 = 736,090,622.20/x
  3. Step 3: Cross multiply
    817,719,959.80x = 1,226,579,939.70 × 736,090,622.20
  4. Step 4: Simplify right side
    817,719,959.80x = 902,873,990,991,811,584
  5. Step 5: Solve for x
    x = 902,873,990,991,811,584/817,719,959.80
  6. Step 6: Final answer
    x = 1,104,135,933.30

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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.