Home / 630,453,472.08-870,027,478.59-352,004,959.32

Finding the Fourth Proportional to 630,453,472.08, 870,027,478.59 and 352,004,959.32

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Solution

The fourth proportional to 630,453,472.08, 870,027,478.59 and 352,004,959.32 is: 485,767,785.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,453,472.08 : 870,027,478.59 = 352,004,959.32 : x
  2. Step 2: Convert to fraction form
    630,453,472.08/870,027,478.59 = 352,004,959.32/x
  3. Step 3: Cross multiply
    630,453,472.08x = 870,027,478.59 × 352,004,959.32
  4. Step 4: Simplify right side
    630,453,472.08x = 306,253,987,208,355,136
  5. Step 5: Solve for x
    x = 306,253,987,208,355,136/630,453,472.08
  6. Step 6: Final answer
    x = 485,767,785.84

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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.