Home / 21,537,054,951.10-29,726,094,817.51-12,629,253,485.50

Finding the Fourth Proportional to 21,537,054,951.10, 29,726,094,817.51 and 12,629,253,485.50

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Solution

The fourth proportional to 21,537,054,951.10, 29,726,094,817.51 and 12,629,253,485.50 is: 17,431,277,741.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537,054,951.10 : 29,726,094,817.51 = 12,629,253,485.50 : x
  2. Step 2: Convert to fraction form
    21,537,054,951.10/29,726,094,817.51 = 12,629,253,485.50/x
  3. Step 3: Cross multiply
    21,537,054,951.10x = 29,726,094,817.51 × 12,629,253,485.50
  4. Step 4: Simplify right side
    21,537,054,951.10x = 375,418,386,584,227,217,408
  5. Step 5: Solve for x
    x = 375,418,386,584,227,217,408/21,537,054,951.10
  6. Step 6: Final answer
    x = 17,431,277,741.39

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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.