Home / 791,954,151.48-1,187,976,624.17-209,673,266.47

Finding the Fourth Proportional to 791,954,151.48, 1,187,976,624.17 and 209,673,266.47

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Solution

The fourth proportional to 791,954,151.48, 1,187,976,624.17 and 209,673,266.47 is: 314,521,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,954,151.48 : 1,187,976,624.17 = 209,673,266.47 : x
  2. Step 2: Convert to fraction form
    791,954,151.48/1,187,976,624.17 = 209,673,266.47/x
  3. Step 3: Cross multiply
    791,954,151.48x = 1,187,976,624.17 × 209,673,266.47
  4. Step 4: Simplify right side
    791,954,151.48x = 249,086,939,279,727,456
  5. Step 5: Solve for x
    x = 249,086,939,279,727,456/791,954,151.48
  6. Step 6: Final answer
    x = 314,521,918.74

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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.