Home / 538,489,209.40-807,733,814.10-334,247,903.80

Finding the Fourth Proportional to 538,489,209.40, 807,733,814.10 and 334,247,903.80

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Solution

The fourth proportional to 538,489,209.40, 807,733,814.10 and 334,247,903.80 is: 501,371,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,489,209.40 : 807,733,814.10 = 334,247,903.80 : x
  2. Step 2: Convert to fraction form
    538,489,209.40/807,733,814.10 = 334,247,903.80/x
  3. Step 3: Cross multiply
    538,489,209.40x = 807,733,814.10 × 334,247,903.80
  4. Step 4: Simplify right side
    538,489,209.40x = 269,983,334,191,303,904
  5. Step 5: Solve for x
    x = 269,983,334,191,303,904/538,489,209.40
  6. Step 6: Final answer
    x = 501,371,855.70

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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.