Home / 630,453,467.57-870,027,472.37-352,004,954.81

Finding the Fourth Proportional to 630,453,467.57, 870,027,472.37 and 352,004,954.81

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Solution

The fourth proportional to 630,453,467.57, 870,027,472.37 and 352,004,954.81 is: 485,767,779.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,453,467.57 : 870,027,472.37 = 352,004,954.81 : x
  2. Step 2: Convert to fraction form
    630,453,467.57/870,027,472.37 = 352,004,954.81/x
  3. Step 3: Cross multiply
    630,453,467.57x = 870,027,472.37 × 352,004,954.81
  4. Step 4: Simplify right side
    630,453,467.57x = 306,253,981,091,590,208
  5. Step 5: Solve for x
    x = 306,253,981,091,590,208/630,453,467.57
  6. Step 6: Final answer
    x = 485,767,779.62

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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.