Home / 19,755,105,801.21-29,638,479,752.10-7,958,153,682.63

Finding the Fourth Proportional to 19,755,105,801.21, 29,638,479,752.10 and 7,958,153,682.63

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Solution

The fourth proportional to 19,755,105,801.21, 29,638,479,752.10 and 7,958,153,682.63 is: 11,939,575,477.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755,105,801.21 : 29,638,479,752.10 = 7,958,153,682.63 : x
  2. Step 2: Convert to fraction form
    19,755,105,801.21/29,638,479,752.10 = 7,958,153,682.63/x
  3. Step 3: Cross multiply
    19,755,105,801.21x = 29,638,479,752.10 × 7,958,153,682.63
  4. Step 4: Simplify right side
    19,755,105,801.21x = 235,867,576,786,729,304,064
  5. Step 5: Solve for x
    x = 235,867,576,786,729,304,064/19,755,105,801.21
  6. Step 6: Final answer
    x = 11,939,575,477.86

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Double scale
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1.5x scale

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.