Home / 21,446,828,075.25-29,596,890,506.58-11,802,667,610.82

Finding the Fourth Proportional to 21,446,828,075.25, 29,596,890,506.58 and 11,802,667,610.82

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Solution

The fourth proportional to 21,446,828,075.25, 29,596,890,506.58 and 11,802,667,610.82 is: 16,287,828,658.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446,828,075.25 : 29,596,890,506.58 = 11,802,667,610.82 : x
  2. Step 2: Convert to fraction form
    21,446,828,075.25/29,596,890,506.58 = 11,802,667,610.82/x
  3. Step 3: Cross multiply
    21,446,828,075.25x = 29,596,890,506.58 × 11,802,667,610.82
  4. Step 4: Simplify right side
    21,446,828,075.25x = 349,322,260,962,997,698,560
  5. Step 5: Solve for x
    x = 349,322,260,962,997,698,560/21,446,828,075.25
  6. Step 6: Final answer
    x = 16,287,828,658.73

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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.