Home / 538,996,257.60-808,494,386.40-297,131,553.60

Finding the Fourth Proportional to 538,996,257.60, 808,494,386.40 and 297,131,553.60

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Solution

The fourth proportional to 538,996,257.60, 808,494,386.40 and 297,131,553.60 is: 445,697,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,996,257.60 : 808,494,386.40 = 297,131,553.60 : x
  2. Step 2: Convert to fraction form
    538,996,257.60/808,494,386.40 = 297,131,553.60/x
  3. Step 3: Cross multiply
    538,996,257.60x = 808,494,386.40 × 297,131,553.60
  4. Step 4: Simplify right side
    538,996,257.60x = 240,229,193,107,910,720
  5. Step 5: Solve for x
    x = 240,229,193,107,910,720/538,996,257.60
  6. Step 6: Final answer
    x = 445,697,330.40

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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.