Home / 15,273,262,088.41-21,078,936,550.16-9,251,590,810.09

Finding the Fourth Proportional to 15,273,262,088.41, 21,078,936,550.16 and 9,251,590,810.09

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Solution

The fourth proportional to 15,273,262,088.41, 21,078,936,550.16 and 9,251,590,810.09 is: 12,768,306,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,273,262,088.41 : 21,078,936,550.16 = 9,251,590,810.09 : x
  2. Step 2: Convert to fraction form
    15,273,262,088.41/21,078,936,550.16 = 9,251,590,810.09/x
  3. Step 3: Cross multiply
    15,273,262,088.41x = 21,078,936,550.16 × 9,251,590,810.09
  4. Step 4: Simplify right side
    15,273,262,088.41x = 195,013,695,673,930,481,664
  5. Step 5: Solve for x
    x = 195,013,695,673,930,481,664/15,273,262,088.41
  6. Step 6: Final answer
    x = 12,768,306,766.76

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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.