Home / 2,861,146,918.80-4,291,924,681.97-762,612,333.82

Finding the Fourth Proportional to 2,861,146,918.80, 4,291,924,681.97 and 762,612,333.82

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Solution

The fourth proportional to 2,861,146,918.80, 4,291,924,681.97 and 762,612,333.82 is: 1,143,972,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861,146,918.80 : 4,291,924,681.97 = 762,612,333.82 : x
  2. Step 2: Convert to fraction form
    2,861,146,918.80/4,291,924,681.97 = 762,612,333.82/x
  3. Step 3: Cross multiply
    2,861,146,918.80x = 4,291,924,681.97 × 762,612,333.82
  4. Step 4: Simplify right side
    2,861,146,918.80x = 3,273,074,698,285,157,888
  5. Step 5: Solve for x
    x = 3,273,074,698,285,157,888/2,861,146,918.80
  6. Step 6: Final answer
    x = 1,143,972,956.01

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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.