Home / 538,133,057.40-807,199,586.10-490,515,943.80

Finding the Fourth Proportional to 538,133,057.40, 807,199,586.10 and 490,515,943.80

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Solution

The fourth proportional to 538,133,057.40, 807,199,586.10 and 490,515,943.80 is: 735,773,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,133,057.40 : 807,199,586.10 = 490,515,943.80 : x
  2. Step 2: Convert to fraction form
    538,133,057.40/807,199,586.10 = 490,515,943.80/x
  3. Step 3: Cross multiply
    538,133,057.40x = 807,199,586.10 × 490,515,943.80
  4. Step 4: Simplify right side
    538,133,057.40x = 395,944,266,810,810,880
  5. Step 5: Solve for x
    x = 395,944,266,810,810,880/538,133,057.40
  6. Step 6: Final answer
    x = 735,773,915.70

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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.