Home / 630,179,153.86-945,601,768.95-447,129,615.94

Finding the Fourth Proportional to 630,179,153.86, 945,601,768.95 and 447,129,615.94

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Solution

The fourth proportional to 630,179,153.86, 945,601,768.95 and 447,129,615.94 is: 670,930,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,179,153.86 : 945,601,768.95 = 447,129,615.94 : x
  2. Step 2: Convert to fraction form
    630,179,153.86/945,601,768.95 = 447,129,615.94/x
  3. Step 3: Cross multiply
    630,179,153.86x = 945,601,768.95 × 447,129,615.94
  4. Step 4: Simplify right side
    630,179,153.86x = 422,806,555,782,798,144
  5. Step 5: Solve for x
    x = 422,806,555,782,798,144/630,179,153.86
  6. Step 6: Final answer
    x = 670,930,723.74

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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.