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Finding the Fourth Proportional to 68,401,908,002.10, 102,602,862,003.15 and 68,401,908,002.10

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Solution

The fourth proportional to 68,401,908,002.10, 102,602,862,003.15 and 68,401,908,002.10 is: 102,602,862,003.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,401,908,002.10 : 102,602,862,003.15 = 68,401,908,002.10 : x
  2. Step 2: Convert to fraction form
    68,401,908,002.10/102,602,862,003.15 = 68,401,908,002.10/x
  3. Step 3: Cross multiply
    68,401,908,002.10x = 102,602,862,003.15 × 68,401,908,002.10
  4. Step 4: Simplify right side
    68,401,908,002.10x = 7,018,231,527,491,627,909,120
  5. Step 5: Solve for x
    x = 7,018,231,527,491,627,909,120/68,401,908,002.10
  6. Step 6: Final answer
    x = 102,602,862,003.15

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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.