Home / 538,066,909.40-807,289,320.90-231,453,008.60

Finding the Fourth Proportional to 538,066,909.40, 807,289,320.90 and 231,453,008.60

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Solution

The fourth proportional to 538,066,909.40, 807,289,320.90 and 231,453,008.60 is: 347,260,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,066,909.40 : 807,289,320.90 = 231,453,008.60 : x
  2. Step 2: Convert to fraction form
    538,066,909.40/807,289,320.90 = 231,453,008.60/x
  3. Step 3: Cross multiply
    538,066,909.40x = 807,289,320.90 × 231,453,008.60
  4. Step 4: Simplify right side
    538,066,909.40x = 186,849,542,132,955,840
  5. Step 5: Solve for x
    x = 186,849,542,132,955,840/538,066,909.40
  6. Step 6: Final answer
    x = 347,260,793.91

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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.