Home / 782,855,288.37-1,080,344,568.06-460,997,297.73

Finding the Fourth Proportional to 782,855,288.37, 1,080,344,568.06 and 460,997,297.73

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Solution

The fourth proportional to 782,855,288.37, 1,080,344,568.06 and 460,997,297.73 is: 636,178,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,855,288.37 : 1,080,344,568.06 = 460,997,297.73 : x
  2. Step 2: Convert to fraction form
    782,855,288.37/1,080,344,568.06 = 460,997,297.73/x
  3. Step 3: Cross multiply
    782,855,288.37x = 1,080,344,568.06 × 460,997,297.73
  4. Step 4: Simplify right side
    782,855,288.37x = 498,035,926,492,944,064
  5. Step 5: Solve for x
    x = 498,035,926,492,944,064/782,855,288.37
  6. Step 6: Final answer
    x = 636,178,785.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.