Home / 630,453,469.57-870,027,475.14-352,004,956.81

Finding the Fourth Proportional to 630,453,469.57, 870,027,475.14 and 352,004,956.81

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Solution

The fourth proportional to 630,453,469.57, 870,027,475.14 and 352,004,956.81 is: 485,767,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,453,469.57 : 870,027,475.14 = 352,004,956.81 : x
  2. Step 2: Convert to fraction form
    630,453,469.57/870,027,475.14 = 352,004,956.81/x
  3. Step 3: Cross multiply
    630,453,469.57x = 870,027,475.14 × 352,004,956.81
  4. Step 4: Simplify right side
    630,453,469.57x = 306,253,983,805,818,944
  5. Step 5: Solve for x
    x = 306,253,983,805,818,944/630,453,469.57
  6. Step 6: Final answer
    x = 485,767,782.38

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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.