Home / 354,894,386.68-531,865,736.43-276,205,911.58

Finding the Fourth Proportional to 354,894,386.68, 531,865,736.43 and 276,205,911.58

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Solution

The fourth proportional to 354,894,386.68, 531,865,736.43 and 276,205,911.58 is: 413,938,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,894,386.68 : 531,865,736.43 = 276,205,911.58 : x
  2. Step 2: Convert to fraction form
    354,894,386.68/531,865,736.43 = 276,205,911.58/x
  3. Step 3: Cross multiply
    354,894,386.68x = 531,865,736.43 × 276,205,911.58
  4. Step 4: Simplify right side
    354,894,386.68x = 146,904,460,568,816,160
  5. Step 5: Solve for x
    x = 146,904,460,568,816,160/354,894,386.68
  6. Step 6: Final answer
    x = 413,938,529.55

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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.