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Finding the Fourth Proportional to 802,487,704.64, 1,103,505,970.48 and 696,457,039.20

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Solution

The fourth proportional to 802,487,704.64, 1,103,505,970.48 and 696,457,039.20 is: 957,702,524.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,487,704.64 : 1,103,505,970.48 = 696,457,039.20 : x
  2. Step 2: Convert to fraction form
    802,487,704.64/1,103,505,970.48 = 696,457,039.20/x
  3. Step 3: Cross multiply
    802,487,704.64x = 1,103,505,970.48 × 696,457,039.20
  4. Step 4: Simplify right side
    802,487,704.64x = 768,544,500,940,023,424
  5. Step 5: Solve for x
    x = 768,544,500,940,023,424/802,487,704.64
  6. Step 6: Final answer
    x = 957,702,524.91

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1.5x scale

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.