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Finding the Fourth Proportional to 893,940,692.10, 1,340,911,038.15 and 893,940,692.10

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Solution

The fourth proportional to 893,940,692.10, 1,340,911,038.15 and 893,940,692.10 is: 1,340,911,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,940,692.10 : 1,340,911,038.15 = 893,940,692.10 : x
  2. Step 2: Convert to fraction form
    893,940,692.10/1,340,911,038.15 = 893,940,692.10/x
  3. Step 3: Cross multiply
    893,940,692.10x = 1,340,911,038.15 × 893,940,692.10
  4. Step 4: Simplify right side
    893,940,692.10x = 1,198,694,941,488,340,736
  5. Step 5: Solve for x
    x = 1,198,694,941,488,340,736/893,940,692.10
  6. Step 6: Final answer
    x = 1,340,911,038.15

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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.