Home / 384,024,326.78-529,784,690.64-225,173,367.80

Finding the Fourth Proportional to 384,024,326.78, 529,784,690.64 and 225,173,367.80

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Solution

The fourth proportional to 384,024,326.78, 529,784,690.64 and 225,173,367.80 is: 310,640,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,024,326.78 : 529,784,690.64 = 225,173,367.80 : x
  2. Step 2: Convert to fraction form
    384,024,326.78/529,784,690.64 = 225,173,367.80/x
  3. Step 3: Cross multiply
    384,024,326.78x = 529,784,690.64 × 225,173,367.80
  4. Step 4: Simplify right side
    384,024,326.78x = 119,293,403,000,289,936
  5. Step 5: Solve for x
    x = 119,293,403,000,289,936/384,024,326.78
  6. Step 6: Final answer
    x = 310,640,224.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.