Home / 630,453,433.44-870,027,425.28-352,004,920.68

Finding the Fourth Proportional to 630,453,433.44, 870,027,425.28 and 352,004,920.68

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Solution

The fourth proportional to 630,453,433.44, 870,027,425.28 and 352,004,920.68 is: 485,767,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,453,433.44 : 870,027,425.28 = 352,004,920.68 : x
  2. Step 2: Convert to fraction form
    630,453,433.44/870,027,425.28 = 352,004,920.68/x
  3. Step 3: Cross multiply
    630,453,433.44x = 870,027,425.28 × 352,004,920.68
  4. Step 4: Simplify right side
    630,453,433.44x = 306,253,934,825,111,040
  5. Step 5: Solve for x
    x = 306,253,934,825,111,040/630,453,433.44
  6. Step 6: Final answer
    x = 485,767,732.53

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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.