Home / 1,309,340,953.13-1,964,270,162.72-480,302,293.34

Finding the Fourth Proportional to 1,309,340,953.13, 1,964,270,162.72 and 480,302,293.34

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Solution

The fourth proportional to 1,309,340,953.13, 1,964,270,162.72 and 480,302,293.34 is: 720,548,350.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,340,953.13 : 1,964,270,162.72 = 480,302,293.34 : x
  2. Step 2: Convert to fraction form
    1,309,340,953.13/1,964,270,162.72 = 480,302,293.34/x
  3. Step 3: Cross multiply
    1,309,340,953.13x = 1,964,270,162.72 × 480,302,293.34
  4. Step 4: Simplify right side
    1,309,340,953.13x = 943,443,463,899,862,400
  5. Step 5: Solve for x
    x = 943,443,463,899,862,400/1,309,340,953.13
  6. Step 6: Final answer
    x = 720,548,350.41

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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.