Home / 452,403,817.29-678,612,495.08-172,300,201.15

Finding the Fourth Proportional to 452,403,817.29, 678,612,495.08 and 172,300,201.15

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Solution

The fourth proportional to 452,403,817.29, 678,612,495.08 and 172,300,201.15 is: 258,452,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,403,817.29 : 678,612,495.08 = 172,300,201.15 : x
  2. Step 2: Convert to fraction form
    452,403,817.29/678,612,495.08 = 172,300,201.15/x
  3. Step 3: Cross multiply
    452,403,817.29x = 678,612,495.08 × 172,300,201.15
  4. Step 4: Simplify right side
    452,403,817.29x = 116,925,069,405,187,392
  5. Step 5: Solve for x
    x = 116,925,069,405,187,392/452,403,817.29
  6. Step 6: Final answer
    x = 258,452,879.79

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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.