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Finding the Fourth Proportional to 749,882,004.90, 1,047,252,003.60 and 749,882,004.90

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Solution

The fourth proportional to 749,882,004.90, 1,047,252,003.60 and 749,882,004.90 is: 1,047,252,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,882,004.90 : 1,047,252,003.60 = 749,882,004.90 : x
  2. Step 2: Convert to fraction form
    749,882,004.90/1,047,252,003.60 = 749,882,004.90/x
  3. Step 3: Cross multiply
    749,882,004.90x = 1,047,252,003.60 × 749,882,004.90
  4. Step 4: Simplify right side
    749,882,004.90x = 785,315,432,095,110,016
  5. Step 5: Solve for x
    x = 785,315,432,095,110,016/749,882,004.90
  6. Step 6: Final answer
    x = 1,047,252,003.60

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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.