Home / 19,892,171,755.50-29,823,547,694.52-12,029,836,137.84

Finding the Fourth Proportional to 19,892,171,755.50, 29,823,547,694.52 and 12,029,836,137.84

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Solution

The fourth proportional to 19,892,171,755.50, 29,823,547,694.52 and 12,029,836,137.84 is: 18,035,858,337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,892,171,755.50 : 29,823,547,694.52 = 12,029,836,137.84 : x
  2. Step 2: Convert to fraction form
    19,892,171,755.50/29,823,547,694.52 = 12,029,836,137.84/x
  3. Step 3: Cross multiply
    19,892,171,755.50x = 29,823,547,694.52 × 12,029,836,137.84
  4. Step 4: Simplify right side
    19,892,171,755.50x = 358,772,391,814,131,548,160
  5. Step 5: Solve for x
    x = 358,772,391,814,131,548,160/19,892,171,755.50
  6. Step 6: Final answer
    x = 18,035,858,337.84

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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.