Home / 638,616,093.20-957,924,139.80-275,819,037.20

Finding the Fourth Proportional to 638,616,093.20, 957,924,139.80 and 275,819,037.20

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Solution

The fourth proportional to 638,616,093.20, 957,924,139.80 and 275,819,037.20 is: 413,728,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,616,093.20 : 957,924,139.80 = 275,819,037.20 : x
  2. Step 2: Convert to fraction form
    638,616,093.20/957,924,139.80 = 275,819,037.20/x
  3. Step 3: Cross multiply
    638,616,093.20x = 957,924,139.80 × 275,819,037.20
  4. Step 4: Simplify right side
    638,616,093.20x = 264,213,713,950,274,176
  5. Step 5: Solve for x
    x = 264,213,713,950,274,176/638,616,093.20
  6. Step 6: Final answer
    x = 413,728,555.80

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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.