Home / 452,403,817.79-678,612,495.83-172,300,201.65

Finding the Fourth Proportional to 452,403,817.79, 678,612,495.83 and 172,300,201.65

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Solution

The fourth proportional to 452,403,817.79, 678,612,495.83 and 172,300,201.65 is: 258,452,880.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,403,817.79 : 678,612,495.83 = 172,300,201.65 : x
  2. Step 2: Convert to fraction form
    452,403,817.79/678,612,495.83 = 172,300,201.65/x
  3. Step 3: Cross multiply
    452,403,817.79x = 678,612,495.83 × 172,300,201.65
  4. Step 4: Simplify right side
    452,403,817.79x = 116,925,069,872,857,296
  5. Step 5: Solve for x
    x = 116,925,069,872,857,296/452,403,817.79
  6. Step 6: Final answer
    x = 258,452,880.54

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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.