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Finding the Fourth Proportional to 1,360,060,674.60, 1,907,712,915 and 1,360,060,674.60

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Solution

The fourth proportional to 1,360,060,674.60, 1,907,712,915 and 1,360,060,674.60 is: 1,907,712,915

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,060,674.60 : 1,907,712,915 = 1,360,060,674.60 : x
  2. Step 2: Convert to fraction form
    1,360,060,674.60/1,907,712,915 = 1,360,060,674.60/x
  3. Step 3: Cross multiply
    1,360,060,674.60x = 1,907,712,915 × 1,360,060,674.60
  4. Step 4: Simplify right side
    1,360,060,674.60x = 2,594,605,314,118,032,384
  5. Step 5: Solve for x
    x = 2,594,605,314,118,032,384/1,360,060,674.60
  6. Step 6: Final answer
    x = 1,907,712,915

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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.