Home / 691,217,004.06-1,036,826,503.94-282,273,154.56

Finding the Fourth Proportional to 691,217,004.06, 1,036,826,503.94 and 282,273,154.56

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Solution

The fourth proportional to 691,217,004.06, 1,036,826,503.94 and 282,273,154.56 is: 423,410,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,217,004.06 : 1,036,826,503.94 = 282,273,154.56 : x
  2. Step 2: Convert to fraction form
    691,217,004.06/1,036,826,503.94 = 282,273,154.56/x
  3. Step 3: Cross multiply
    691,217,004.06x = 1,036,826,503.94 × 282,273,154.56
  4. Step 4: Simplify right side
    691,217,004.06x = 292,668,287,998,560,064
  5. Step 5: Solve for x
    x = 292,668,287,998,560,064/691,217,004.06
  6. Step 6: Final answer
    x = 423,410,139.33

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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.