Home / 646,704,621.70-970,056,932.55-237,707,628.10

Finding the Fourth Proportional to 646,704,621.70, 970,056,932.55 and 237,707,628.10

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Solution

The fourth proportional to 646,704,621.70, 970,056,932.55 and 237,707,628.10 is: 356,561,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,704,621.70 : 970,056,932.55 = 237,707,628.10 : x
  2. Step 2: Convert to fraction form
    646,704,621.70/970,056,932.55 = 237,707,628.10/x
  3. Step 3: Cross multiply
    646,704,621.70x = 970,056,932.55 × 237,707,628.10
  4. Step 4: Simplify right side
    646,704,621.70x = 230,589,932,558,422,176
  5. Step 5: Solve for x
    x = 230,589,932,558,422,176/646,704,621.70
  6. Step 6: Final answer
    x = 356,561,442.15

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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.