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Finding the Fourth Proportional to 931,589,610.60, 1,394,697,030.30 and 931,589,610.60

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Solution

The fourth proportional to 931,589,610.60, 1,394,697,030.30 and 931,589,610.60 is: 1,394,697,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,589,610.60 : 1,394,697,030.30 = 931,589,610.60 : x
  2. Step 2: Convert to fraction form
    931,589,610.60/1,394,697,030.30 = 931,589,610.60/x
  3. Step 3: Cross multiply
    931,589,610.60x = 1,394,697,030.30 × 931,589,610.60
  4. Step 4: Simplify right side
    931,589,610.60x = 1,299,285,263,362,153,472
  5. Step 5: Solve for x
    x = 1,299,285,263,362,153,472/931,589,610.60
  6. Step 6: Final answer
    x = 1,394,697,030.30

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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.