Home / 306,220,853,415.15-459,331,280,122.73-82,630,444,978.35

Finding the Fourth Proportional to 306,220,853,415.15, 459,331,280,122.73 and 82,630,444,978.35

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Solution

The fourth proportional to 306,220,853,415.15, 459,331,280,122.73 and 82,630,444,978.35 is: 123,945,667,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,220,853,415.15 : 459,331,280,122.73 = 82,630,444,978.35 : x
  2. Step 2: Convert to fraction form
    306,220,853,415.15/459,331,280,122.73 = 82,630,444,978.35/x
  3. Step 3: Cross multiply
    306,220,853,415.15x = 459,331,280,122.73 × 82,630,444,978.35
  4. Step 4: Simplify right side
    306,220,853,415.15x = 37,954,748,069,016,311,431,168
  5. Step 5: Solve for x
    x = 37,954,748,069,016,311,431,168/306,220,853,415.15
  6. Step 6: Final answer
    x = 123,945,667,467.53

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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.