Home / 21,025,012,235.09-29,014,514,541.63-11,379,740,558.58

Finding the Fourth Proportional to 21,025,012,235.09, 29,014,514,541.63 and 11,379,740,558.58

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Solution

The fourth proportional to 21,025,012,235.09, 29,014,514,541.63 and 11,379,740,558.58 is: 15,704,040,702.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,025,012,235.09 : 29,014,514,541.63 = 11,379,740,558.58 : x
  2. Step 2: Convert to fraction form
    21,025,012,235.09/29,014,514,541.63 = 11,379,740,558.58/x
  3. Step 3: Cross multiply
    21,025,012,235.09x = 29,014,514,541.63 × 11,379,740,558.58
  4. Step 4: Simplify right side
    21,025,012,235.09x = 330,177,647,916,896,092,160
  5. Step 5: Solve for x
    x = 330,177,647,916,896,092,160/21,025,012,235.09
  6. Step 6: Final answer
    x = 15,704,040,702.81

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1.5x scale

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.