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Finding the Fourth Proportional to 1,068,589,506.80, 1,599,483,037.80 and 762,479,490.80

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Solution

The fourth proportional to 1,068,589,506.80, 1,599,483,037.80 and 762,479,490.80 is: 1,141,292,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,589,506.80 : 1,599,483,037.80 = 762,479,490.80 : x
  2. Step 2: Convert to fraction form
    1,068,589,506.80/1,599,483,037.80 = 762,479,490.80/x
  3. Step 3: Cross multiply
    1,068,589,506.80x = 1,599,483,037.80 × 762,479,490.80
  4. Step 4: Simplify right side
    1,068,589,506.80x = 1,219,573,012,204,980,992
  5. Step 5: Solve for x
    x = 1,219,573,012,204,980,992/1,068,589,506.80
  6. Step 6: Final answer
    x = 1,141,292,333.91

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Double scale
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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.