Home / 497,673,243.36-686,787,653.16-274,653,306

Finding the Fourth Proportional to 497,673,243.36, 686,787,653.16 and 274,653,306

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Solution

The fourth proportional to 497,673,243.36, 686,787,653.16 and 274,653,306 is: 379,020,777.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,673,243.36 : 686,787,653.16 = 274,653,306 : x
  2. Step 2: Convert to fraction form
    497,673,243.36/686,787,653.16 = 274,653,306/x
  3. Step 3: Cross multiply
    497,673,243.36x = 686,787,653.16 × 274,653,306
  4. Step 4: Simplify right side
    497,673,243.36x = 188,628,499,460,375,328
  5. Step 5: Solve for x
    x = 188,628,499,460,375,328/497,673,243.36
  6. Step 6: Final answer
    x = 379,020,777.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.