Home / 638,616,092.20-957,924,138.30-275,819,036.20

Finding the Fourth Proportional to 638,616,092.20, 957,924,138.30 and 275,819,036.20

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Solution

The fourth proportional to 638,616,092.20, 957,924,138.30 and 275,819,036.20 is: 413,728,554.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,616,092.20 : 957,924,138.30 = 275,819,036.20 : x
  2. Step 2: Convert to fraction form
    638,616,092.20/957,924,138.30 = 275,819,036.20/x
  3. Step 3: Cross multiply
    638,616,092.20x = 957,924,138.30 × 275,819,036.20
  4. Step 4: Simplify right side
    638,616,092.20x = 264,213,712,578,621,472
  5. Step 5: Solve for x
    x = 264,213,712,578,621,472/638,616,092.20
  6. Step 6: Final answer
    x = 413,728,554.30

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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.