Home / 538,525,747.20-807,788,620.80-210,892,370.70

Finding the Fourth Proportional to 538,525,747.20, 807,788,620.80 and 210,892,370.70

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Solution

The fourth proportional to 538,525,747.20, 807,788,620.80 and 210,892,370.70 is: 316,338,556.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,525,747.20 : 807,788,620.80 = 210,892,370.70 : x
  2. Step 2: Convert to fraction form
    538,525,747.20/807,788,620.80 = 210,892,370.70/x
  3. Step 3: Cross multiply
    538,525,747.20x = 807,788,620.80 × 210,892,370.70
  4. Step 4: Simplify right side
    538,525,747.20x = 170,356,457,264,995,296
  5. Step 5: Solve for x
    x = 170,356,457,264,995,296/538,525,747.20
  6. Step 6: Final answer
    x = 316,338,556.05

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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.