Home / 19,212,393,098.52-28,781,058,250.99-13,235,463,504.47

Finding the Fourth Proportional to 19,212,393,098.52, 28,781,058,250.99 and 13,235,463,504.47

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Solution

The fourth proportional to 19,212,393,098.52, 28,781,058,250.99 and 13,235,463,504.47 is: 19,827,339,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212,393,098.52 : 28,781,058,250.99 = 13,235,463,504.47 : x
  2. Step 2: Convert to fraction form
    19,212,393,098.52/28,781,058,250.99 = 13,235,463,504.47/x
  3. Step 3: Cross multiply
    19,212,393,098.52x = 28,781,058,250.99 × 13,235,463,504.47
  4. Step 4: Simplify right side
    19,212,393,098.52x = 380,930,646,101,060,878,336
  5. Step 5: Solve for x
    x = 380,930,646,101,060,878,336/19,212,393,098.52
  6. Step 6: Final answer
    x = 19,827,339,787.80

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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.