Home / 1,963,782,415.80-2,710,083,128.13-1,116,987,977.88

Finding the Fourth Proportional to 1,963,782,415.80, 2,710,083,128.13 and 1,116,987,977.88

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Solution

The fourth proportional to 1,963,782,415.80, 2,710,083,128.13 and 1,116,987,977.88 is: 1,541,479,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963,782,415.80 : 2,710,083,128.13 = 1,116,987,977.88 : x
  2. Step 2: Convert to fraction form
    1,963,782,415.80/2,710,083,128.13 = 1,116,987,977.88/x
  3. Step 3: Cross multiply
    1,963,782,415.80x = 2,710,083,128.13 × 1,116,987,977.88
  4. Step 4: Simplify right side
    1,963,782,415.80x = 3,027,130,273,176,633,856
  5. Step 5: Solve for x
    x = 3,027,130,273,176,633,856/1,963,782,415.80
  6. Step 6: Final answer
    x = 1,541,479,467.80

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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.