Home / 538,066,861.20-807,100,291.80-265,969,069.20

Finding the Fourth Proportional to 538,066,861.20, 807,100,291.80 and 265,969,069.20

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Solution

The fourth proportional to 538,066,861.20, 807,100,291.80 and 265,969,069.20 is: 398,953,603.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,066,861.20 : 807,100,291.80 = 265,969,069.20 : x
  2. Step 2: Convert to fraction form
    538,066,861.20/807,100,291.80 = 265,969,069.20/x
  3. Step 3: Cross multiply
    538,066,861.20x = 807,100,291.80 × 265,969,069.20
  4. Step 4: Simplify right side
    538,066,861.20x = 214,663,713,361,094,368
  5. Step 5: Solve for x
    x = 214,663,713,361,094,368/538,066,861.20
  6. Step 6: Final answer
    x = 398,953,603.80

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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.