Home / 383,895,613.26-529,790,966.46-225,103,666.86

Finding the Fourth Proportional to 383,895,613.26, 529,790,966.46 and 225,103,666.86

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Solution

The fourth proportional to 383,895,613.26, 529,790,966.46 and 225,103,666.86 is: 310,651,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,895,613.26 : 529,790,966.46 = 225,103,666.86 : x
  2. Step 2: Convert to fraction form
    383,895,613.26/529,790,966.46 = 225,103,666.86/x
  3. Step 3: Cross multiply
    383,895,613.26x = 529,790,966.46 × 225,103,666.86
  4. Step 4: Simplify right side
    383,895,613.26x = 119,257,889,219,449,280
  5. Step 5: Solve for x
    x = 119,257,889,219,449,280/383,895,613.26
  6. Step 6: Final answer
    x = 310,651,867.59

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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.