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Finding the Fourth Proportional to 663,984,003.40, 994,184,414.70 and 663,984,003.40

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Solution

The fourth proportional to 663,984,003.40, 994,184,414.70 and 663,984,003.40 is: 994,184,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,984,003.40 : 994,184,414.70 = 663,984,003.40 : x
  2. Step 2: Convert to fraction form
    663,984,003.40/994,184,414.70 = 663,984,003.40/x
  3. Step 3: Cross multiply
    663,984,003.40x = 994,184,414.70 × 663,984,003.40
  4. Step 4: Simplify right side
    663,984,003.40x = 660,122,547,790,391,808
  5. Step 5: Solve for x
    x = 660,122,547,790,391,808/663,984,003.40
  6. Step 6: Final answer
    x = 994,184,414.70

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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.