Home / 691,217,000.47-1,036,826,498.60-282,273,150.97

Finding the Fourth Proportional to 691,217,000.47, 1,036,826,498.60 and 282,273,150.97

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Solution

The fourth proportional to 691,217,000.47, 1,036,826,498.60 and 282,273,150.97 is: 423,410,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,217,000.47 : 1,036,826,498.60 = 282,273,150.97 : x
  2. Step 2: Convert to fraction form
    691,217,000.47/1,036,826,498.60 = 282,273,150.97/x
  3. Step 3: Cross multiply
    691,217,000.47x = 1,036,826,498.60 × 282,273,150.97
  4. Step 4: Simplify right side
    691,217,000.47x = 292,668,282,769,014,336
  5. Step 5: Solve for x
    x = 292,668,282,769,014,336/691,217,000.47
  6. Step 6: Final answer
    x = 423,410,133.97

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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.