Home / 338,256,823.20-507,385,234.80-229,134,271.20

Finding the Fourth Proportional to 338,256,823.20, 507,385,234.80 and 229,134,271.20

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Solution

The fourth proportional to 338,256,823.20, 507,385,234.80 and 229,134,271.20 is: 343,701,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,256,823.20 : 507,385,234.80 = 229,134,271.20 : x
  2. Step 2: Convert to fraction form
    338,256,823.20/507,385,234.80 = 229,134,271.20/x
  3. Step 3: Cross multiply
    338,256,823.20x = 507,385,234.80 × 229,134,271.20
  4. Step 4: Simplify right side
    338,256,823.20x = 116,259,345,993,538,880
  5. Step 5: Solve for x
    x = 116,259,345,993,538,880/338,256,823.20
  6. Step 6: Final answer
    x = 343,701,406.80

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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.