Home / 12,975,144,526,115-17,905,712,697,520-7,042,400,436,144.40

Finding the Fourth Proportional to 12,975,144,526,115, 17,905,712,697,520 and 7,042,400,436,144.40

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Solution

The fourth proportional to 12,975,144,526,115, 17,905,712,697,520 and 7,042,400,436,144.40 is: 9,718,519,794,264.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975,144,526,115 : 17,905,712,697,520 = 7,042,400,436,144.40 : x
  2. Step 2: Convert to fraction form
    12,975,144,526,115/17,905,712,697,520 = 7,042,400,436,144.40/x
  3. Step 3: Cross multiply
    12,975,144,526,115x = 17,905,712,697,520 × 7,042,400,436,144.40
  4. Step 4: Simplify right side
    12,975,144,526,115x = 126,099,198,910,491,174,492,962,816
  5. Step 5: Solve for x
    x = 126,099,198,910,491,174,492,962,816/12,975,144,526,115
  6. Step 6: Final answer
    x = 9,718,519,794,264.49

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Double scale
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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.