Home / 689,760,029.80-1,034,640,044.70-306,807,581.80

Finding the Fourth Proportional to 689,760,029.80, 1,034,640,044.70 and 306,807,581.80

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Solution

The fourth proportional to 689,760,029.80, 1,034,640,044.70 and 306,807,581.80 is: 460,211,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,760,029.80 : 1,034,640,044.70 = 306,807,581.80 : x
  2. Step 2: Convert to fraction form
    689,760,029.80/1,034,640,044.70 = 306,807,581.80/x
  3. Step 3: Cross multiply
    689,760,029.80x = 1,034,640,044.70 × 306,807,581.80
  4. Step 4: Simplify right side
    689,760,029.80x = 317,435,410,147,850,944
  5. Step 5: Solve for x
    x = 317,435,410,147,850,944/689,760,029.80
  6. Step 6: Final answer
    x = 460,211,372.70

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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.