Home / 1,673,013,310.52-2,308,745,601.62-920,310,278.30

Finding the Fourth Proportional to 1,673,013,310.52, 2,308,745,601.62 and 920,310,278.30

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Solution

The fourth proportional to 1,673,013,310.52, 2,308,745,601.62 and 920,310,278.30 is: 1,270,021,161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,013,310.52 : 2,308,745,601.62 = 920,310,278.30 : x
  2. Step 2: Convert to fraction form
    1,673,013,310.52/2,308,745,601.62 = 920,310,278.30/x
  3. Step 3: Cross multiply
    1,673,013,310.52x = 2,308,745,601.62 × 920,310,278.30
  4. Step 4: Simplify right side
    1,673,013,310.52x = 2,124,762,307,150,802,944
  5. Step 5: Solve for x
    x = 2,124,762,307,150,802,944/1,673,013,310.52
  6. Step 6: Final answer
    x = 1,270,021,161.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.