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Finding the Fourth Proportional to 1,901,883,317.60, 2,657,194,688.80 and 1,901,883,317.60

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Solution

The fourth proportional to 1,901,883,317.60, 2,657,194,688.80 and 1,901,883,317.60 is: 2,657,194,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901,883,317.60 : 2,657,194,688.80 = 1,901,883,317.60 : x
  2. Step 2: Convert to fraction form
    1,901,883,317.60/2,657,194,688.80 = 1,901,883,317.60/x
  3. Step 3: Cross multiply
    1,901,883,317.60x = 2,657,194,688.80 × 1,901,883,317.60
  4. Step 4: Simplify right side
    1,901,883,317.60x = 5,053,674,250,244,043,776
  5. Step 5: Solve for x
    x = 5,053,674,250,244,043,776/1,901,883,317.60
  6. Step 6: Final answer
    x = 2,657,194,688.80

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.