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Finding the Fourth Proportional to 504,998,881.52, 756,828,662.87 and 259,345,593.68

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Solution

The fourth proportional to 504,998,881.52, 756,828,662.87 and 259,345,593.68 is: 388,674,482.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,998,881.52 : 756,828,662.87 = 259,345,593.68 : x
  2. Step 2: Convert to fraction form
    504,998,881.52/756,828,662.87 = 259,345,593.68/x
  3. Step 3: Cross multiply
    504,998,881.52x = 756,828,662.87 × 259,345,593.68
  4. Step 4: Simplify right side
    504,998,881.52x = 196,280,178,882,924,928
  5. Step 5: Solve for x
    x = 196,280,178,882,924,928/504,998,881.52
  6. Step 6: Final answer
    x = 388,674,482.40

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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.