Home / 630,453,429.44-870,027,419.76-352,004,916.68

Finding the Fourth Proportional to 630,453,429.44, 870,027,419.76 and 352,004,916.68

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Solution

The fourth proportional to 630,453,429.44, 870,027,419.76 and 352,004,916.68 is: 485,767,727.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,453,429.44 : 870,027,419.76 = 352,004,916.68 : x
  2. Step 2: Convert to fraction form
    630,453,429.44/870,027,419.76 = 352,004,916.68/x
  3. Step 3: Cross multiply
    630,453,429.44x = 870,027,419.76 × 352,004,916.68
  4. Step 4: Simplify right side
    630,453,429.44x = 306,253,929,401,934,208
  5. Step 5: Solve for x
    x = 306,253,929,401,934,208/630,453,429.44
  6. Step 6: Final answer
    x = 485,767,727.01

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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.