Home / 306,220,853,431.40-459,331,280,147.10-82,630,444,994.60

Finding the Fourth Proportional to 306,220,853,431.40, 459,331,280,147.10 and 82,630,444,994.60

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Solution

The fourth proportional to 306,220,853,431.40, 459,331,280,147.10 and 82,630,444,994.60 is: 123,945,667,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,220,853,431.40 : 459,331,280,147.10 = 82,630,444,994.60 : x
  2. Step 2: Convert to fraction form
    306,220,853,431.40/459,331,280,147.10 = 82,630,444,994.60/x
  3. Step 3: Cross multiply
    306,220,853,431.40x = 459,331,280,147.10 × 82,630,444,994.60
  4. Step 4: Simplify right side
    306,220,853,431.40x = 37,954,748,078,494,146,625,536
  5. Step 5: Solve for x
    x = 37,954,748,078,494,146,625,536/306,220,853,431.40
  6. Step 6: Final answer
    x = 123,945,667,491.90

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1.5x scale

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.