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Finding the Fourth Proportional to 1,017,776,572.02, 1,404,591,664.68 and 766,437,529.86

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Solution

The fourth proportional to 1,017,776,572.02, 1,404,591,664.68 and 766,437,529.86 is: 1,057,728,970.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,776,572.02 : 1,404,591,664.68 = 766,437,529.86 : x
  2. Step 2: Convert to fraction form
    1,017,776,572.02/1,404,591,664.68 = 766,437,529.86/x
  3. Step 3: Cross multiply
    1,017,776,572.02x = 1,404,591,664.68 × 766,437,529.86
  4. Step 4: Simplify right side
    1,017,776,572.02x = 1,076,531,765,939,284,736
  5. Step 5: Solve for x
    x = 1,076,531,765,939,284,736/1,017,776,572.02
  6. Step 6: Final answer
    x = 1,057,728,970.71

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Double scale
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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.