Home / 320,033,051.20-480,049,576.80-306,596,123.20

Finding the Fourth Proportional to 320,033,051.20, 480,049,576.80 and 306,596,123.20

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Solution

The fourth proportional to 320,033,051.20, 480,049,576.80 and 306,596,123.20 is: 459,894,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,033,051.20 : 480,049,576.80 = 306,596,123.20 : x
  2. Step 2: Convert to fraction form
    320,033,051.20/480,049,576.80 = 306,596,123.20/x
  3. Step 3: Cross multiply
    320,033,051.20x = 480,049,576.80 × 306,596,123.20
  4. Step 4: Simplify right side
    320,033,051.20x = 147,181,339,190,680,672
  5. Step 5: Solve for x
    x = 147,181,339,190,680,672/320,033,051.20
  6. Step 6: Final answer
    x = 459,894,184.80

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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.