Home / 1,760,488,857.20-2,640,733,285.80-842,158,809.20

Finding the Fourth Proportional to 1,760,488,857.20, 2,640,733,285.80 and 842,158,809.20

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Solution

The fourth proportional to 1,760,488,857.20, 2,640,733,285.80 and 842,158,809.20 is: 1,263,238,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,488,857.20 : 2,640,733,285.80 = 842,158,809.20 : x
  2. Step 2: Convert to fraction form
    1,760,488,857.20/2,640,733,285.80 = 842,158,809.20/x
  3. Step 3: Cross multiply
    1,760,488,857.20x = 2,640,733,285.80 × 842,158,809.20
  4. Step 4: Simplify right side
    1,760,488,857.20x = 2,223,916,799,384,131,584
  5. Step 5: Solve for x
    x = 2,223,916,799,384,131,584/1,760,488,857.20
  6. Step 6: Final answer
    x = 1,263,238,213.80

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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.