Home / 346,725,301.49-478,481,555.54-187,954,933.49

Finding the Fourth Proportional to 346,725,301.49, 478,481,555.54 and 187,954,933.49

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Solution

The fourth proportional to 346,725,301.49, 478,481,555.54 and 187,954,933.49 is: 259,378,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,725,301.49 : 478,481,555.54 = 187,954,933.49 : x
  2. Step 2: Convert to fraction form
    346,725,301.49/478,481,555.54 = 187,954,933.49/x
  3. Step 3: Cross multiply
    346,725,301.49x = 478,481,555.54 × 187,954,933.49
  4. Step 4: Simplify right side
    346,725,301.49x = 89,932,968,947,712,448
  5. Step 5: Solve for x
    x = 89,932,968,947,712,448/346,725,301.49
  6. Step 6: Final answer
    x = 259,378,154.87

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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.