Home / 291,034,719.20-436,552,078.80-251,920,661.60

Finding the Fourth Proportional to 291,034,719.20, 436,552,078.80 and 251,920,661.60

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Solution

The fourth proportional to 291,034,719.20, 436,552,078.80 and 251,920,661.60 is: 377,880,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,034,719.20 : 436,552,078.80 = 251,920,661.60 : x
  2. Step 2: Convert to fraction form
    291,034,719.20/436,552,078.80 = 251,920,661.60/x
  3. Step 3: Cross multiply
    291,034,719.20x = 436,552,078.80 × 251,920,661.60
  4. Step 4: Simplify right side
    291,034,719.20x = 109,976,488,514,151,328
  5. Step 5: Solve for x
    x = 109,976,488,514,151,328/291,034,719.20
  6. Step 6: Final answer
    x = 377,880,992.40

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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.