Home / 320,033,066.20-480,049,599.30-306,596,138.20

Finding the Fourth Proportional to 320,033,066.20, 480,049,599.30 and 306,596,138.20

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Solution

The fourth proportional to 320,033,066.20, 480,049,599.30 and 306,596,138.20 is: 459,894,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,033,066.20 : 480,049,599.30 = 306,596,138.20 : x
  2. Step 2: Convert to fraction form
    320,033,066.20/480,049,599.30 = 306,596,138.20/x
  3. Step 3: Cross multiply
    320,033,066.20x = 480,049,599.30 × 306,596,138.20
  4. Step 4: Simplify right side
    320,033,066.20x = 147,181,353,289,837,408
  5. Step 5: Solve for x
    x = 147,181,353,289,837,408/320,033,066.20
  6. Step 6: Final answer
    x = 459,894,207.30

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Similar ratio
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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.