Home / 726,862,247.80-1,090,293,371.70-338,556,023.80

Finding the Fourth Proportional to 726,862,247.80, 1,090,293,371.70 and 338,556,023.80

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Solution

The fourth proportional to 726,862,247.80, 1,090,293,371.70 and 338,556,023.80 is: 507,834,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,862,247.80 : 1,090,293,371.70 = 338,556,023.80 : x
  2. Step 2: Convert to fraction form
    726,862,247.80/1,090,293,371.70 = 338,556,023.80/x
  3. Step 3: Cross multiply
    726,862,247.80x = 1,090,293,371.70 × 338,556,023.80
  4. Step 4: Simplify right side
    726,862,247.80x = 369,125,388,698,247,488
  5. Step 5: Solve for x
    x = 369,125,388,698,247,488/726,862,247.80
  6. Step 6: Final answer
    x = 507,834,035.70

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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.