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Finding the Fourth Proportional to 8,631,603,017.40, 12,096,488,625 and 8,631,603,017.40

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Solution

The fourth proportional to 8,631,603,017.40, 12,096,488,625 and 8,631,603,017.40 is: 12,096,488,625

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,631,603,017.40 : 12,096,488,625 = 8,631,603,017.40 : x
  2. Step 2: Convert to fraction form
    8,631,603,017.40/12,096,488,625 = 8,631,603,017.40/x
  3. Step 3: Cross multiply
    8,631,603,017.40x = 12,096,488,625 × 8,631,603,017.40
  4. Step 4: Simplify right side
    8,631,603,017.40x = 104,412,087,715,494,772,736
  5. Step 5: Solve for x
    x = 104,412,087,715,494,772,736/8,631,603,017.40
  6. Step 6: Final answer
    x = 12,096,488,625

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.