Home / 383,561,863.02-529,459,310.52-251,411,370.66

Finding the Fourth Proportional to 383,561,863.02, 529,459,310.52 and 251,411,370.66

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Solution

The fourth proportional to 383,561,863.02, 529,459,310.52 and 251,411,370.66 is: 347,042,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,561,863.02 : 529,459,310.52 = 251,411,370.66 : x
  2. Step 2: Convert to fraction form
    383,561,863.02/529,459,310.52 = 251,411,370.66/x
  3. Step 3: Cross multiply
    383,561,863.02x = 529,459,310.52 × 251,411,370.66
  4. Step 4: Simplify right side
    383,561,863.02x = 133,112,090,966,531,744
  5. Step 5: Solve for x
    x = 133,112,090,966,531,744/383,561,863.02
  6. Step 6: Final answer
    x = 347,042,038.85

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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.