Home / 817,719,638.80-1,226,579,458.20-736,090,301.20

Finding the Fourth Proportional to 817,719,638.80, 1,226,579,458.20 and 736,090,301.20

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Solution

The fourth proportional to 817,719,638.80, 1,226,579,458.20 and 736,090,301.20 is: 1,104,135,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,719,638.80 : 1,226,579,458.20 = 736,090,301.20 : x
  2. Step 2: Convert to fraction form
    817,719,638.80/1,226,579,458.20 = 736,090,301.20/x
  3. Step 3: Cross multiply
    817,719,638.80x = 1,226,579,458.20 × 736,090,301.20
  4. Step 4: Simplify right side
    817,719,638.80x = 902,873,242,832,170,880
  5. Step 5: Solve for x
    x = 902,873,242,832,170,880/817,719,638.80
  6. Step 6: Final answer
    x = 1,104,135,451.80

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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.