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Finding the Fourth Proportional to 1,379,098,768.02, 1,903,196,491.70 and 752,607,549.33

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Solution

The fourth proportional to 1,379,098,768.02, 1,903,196,491.70 and 752,607,549.33 is: 1,038,620,351.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,098,768.02 : 1,903,196,491.70 = 752,607,549.33 : x
  2. Step 2: Convert to fraction form
    1,379,098,768.02/1,903,196,491.70 = 752,607,549.33/x
  3. Step 3: Cross multiply
    1,379,098,768.02x = 1,903,196,491.70 × 752,607,549.33
  4. Step 4: Simplify right side
    1,379,098,768.02x = 1,432,360,047,508,027,648
  5. Step 5: Solve for x
    x = 1,432,360,047,508,027,648/1,379,098,768.02
  6. Step 6: Final answer
    x = 1,038,620,351.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.