Home / 630,287,501.08-945,558,803.94-221,375,538.04

Finding the Fourth Proportional to 630,287,501.08, 945,558,803.94 and 221,375,538.04

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Solution

The fourth proportional to 630,287,501.08, 945,558,803.94 and 221,375,538.04 is: 332,108,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,287,501.08 : 945,558,803.94 = 221,375,538.04 : x
  2. Step 2: Convert to fraction form
    630,287,501.08/945,558,803.94 = 221,375,538.04/x
  3. Step 3: Cross multiply
    630,287,501.08x = 945,558,803.94 × 221,375,538.04
  4. Step 4: Simplify right side
    630,287,501.08x = 209,323,588,970,676,384
  5. Step 5: Solve for x
    x = 209,323,588,970,676,384/630,287,501.08
  6. Step 6: Final answer
    x = 332,108,107.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.