Home / 334,078,485.20-501,117,727.80-298,932,520.40

Finding the Fourth Proportional to 334,078,485.20, 501,117,727.80 and 298,932,520.40

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Solution

The fourth proportional to 334,078,485.20, 501,117,727.80 and 298,932,520.40 is: 448,398,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,078,485.20 : 501,117,727.80 = 298,932,520.40 : x
  2. Step 2: Convert to fraction form
    334,078,485.20/501,117,727.80 = 298,932,520.40/x
  3. Step 3: Cross multiply
    334,078,485.20x = 501,117,727.80 × 298,932,520.40
  4. Step 4: Simplify right side
    334,078,485.20x = 149,800,385,388,375,136
  5. Step 5: Solve for x
    x = 149,800,385,388,375,136/334,078,485.20
  6. Step 6: Final answer
    x = 448,398,780.60

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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.