Home / 420,489,491,145.48-630,734,244,027.84-102,133,544,718.60

Finding the Fourth Proportional to 420,489,491,145.48, 630,734,244,027.84 and 102,133,544,718.60

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Solution

The fourth proportional to 420,489,491,145.48, 630,734,244,027.84 and 102,133,544,718.60 is: 153,200,318,853.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,489,491,145.48 : 630,734,244,027.84 = 102,133,544,718.60 : x
  2. Step 2: Convert to fraction form
    420,489,491,145.48/630,734,244,027.84 = 102,133,544,718.60/x
  3. Step 3: Cross multiply
    420,489,491,145.48x = 630,734,244,027.84 × 102,133,544,718.60
  4. Step 4: Simplify right side
    420,489,491,145.48x = 64,419,124,117,969,760,681,984
  5. Step 5: Solve for x
    x = 64,419,124,117,969,760,681,984/420,489,491,145.48
  6. Step 6: Final answer
    x = 153,200,318,853.35

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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.