Home / 691,217,003.16-1,036,826,502.62-282,273,153.66

Finding the Fourth Proportional to 691,217,003.16, 1,036,826,502.62 and 282,273,153.66

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Solution

The fourth proportional to 691,217,003.16, 1,036,826,502.62 and 282,273,153.66 is: 423,410,137.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,217,003.16 : 1,036,826,502.62 = 282,273,153.66 : x
  2. Step 2: Convert to fraction form
    691,217,003.16/1,036,826,502.62 = 282,273,153.66/x
  3. Step 3: Cross multiply
    691,217,003.16x = 1,036,826,502.62 × 282,273,153.66
  4. Step 4: Simplify right side
    691,217,003.16x = 292,668,286,691,404,288
  5. Step 5: Solve for x
    x = 292,668,286,691,404,288/691,217,003.16
  6. Step 6: Final answer
    x = 423,410,137.99

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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.