Home / 264,230,999.10-396,346,498.65-172,397,994.30

Finding the Fourth Proportional to 264,230,999.10, 396,346,498.65 and 172,397,994.30

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Solution

The fourth proportional to 264,230,999.10, 396,346,498.65 and 172,397,994.30 is: 258,596,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,230,999.10 : 396,346,498.65 = 172,397,994.30 : x
  2. Step 2: Convert to fraction form
    264,230,999.10/396,346,498.65 = 172,397,994.30/x
  3. Step 3: Cross multiply
    264,230,999.10x = 396,346,498.65 × 172,397,994.30
  4. Step 4: Simplify right side
    264,230,999.10x = 68,329,341,415,087,656
  5. Step 5: Solve for x
    x = 68,329,341,415,087,656/264,230,999.10
  6. Step 6: Final answer
    x = 258,596,991.45

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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.