Home / 638,616,097.20-957,924,145.80-275,819,041.20

Finding the Fourth Proportional to 638,616,097.20, 957,924,145.80 and 275,819,041.20

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Solution

The fourth proportional to 638,616,097.20, 957,924,145.80 and 275,819,041.20 is: 413,728,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,616,097.20 : 957,924,145.80 = 275,819,041.20 : x
  2. Step 2: Convert to fraction form
    638,616,097.20/957,924,145.80 = 275,819,041.20/x
  3. Step 3: Cross multiply
    638,616,097.20x = 957,924,145.80 × 275,819,041.20
  4. Step 4: Simplify right side
    638,616,097.20x = 264,213,719,436,884,992
  5. Step 5: Solve for x
    x = 264,213,719,436,884,992/638,616,097.20
  6. Step 6: Final answer
    x = 413,728,561.80

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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.