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Finding the Fourth Proportional to 1,402,804,585.60, 1,968,226,236.80 and 1,402,804,585.60

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Solution

The fourth proportional to 1,402,804,585.60, 1,968,226,236.80 and 1,402,804,585.60 is: 1,968,226,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,804,585.60 : 1,968,226,236.80 = 1,402,804,585.60 : x
  2. Step 2: Convert to fraction form
    1,402,804,585.60/1,968,226,236.80 = 1,402,804,585.60/x
  3. Step 3: Cross multiply
    1,402,804,585.60x = 1,968,226,236.80 × 1,402,804,585.60
  4. Step 4: Simplify right side
    1,402,804,585.60x = 2,761,036,790,481,271,296
  5. Step 5: Solve for x
    x = 2,761,036,790,481,271,296/1,402,804,585.60
  6. Step 6: Final answer
    x = 1,968,226,236.80

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Double scale
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1.5x scale

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.