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Finding the Fourth Proportional to 792,729,642.12, 1,189,247,595 and 301,404,710.16

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Solution

The fourth proportional to 792,729,642.12, 1,189,247,595 and 301,404,710.16 is: 452,165,287.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,729,642.12 : 1,189,247,595 = 301,404,710.16 : x
  2. Step 2: Convert to fraction form
    792,729,642.12/1,189,247,595 = 301,404,710.16/x
  3. Step 3: Cross multiply
    792,729,642.12x = 1,189,247,595 × 301,404,710.16
  4. Step 4: Simplify right side
    792,729,642.12x = 358,444,826,679,452,096
  5. Step 5: Solve for x
    x = 358,444,826,679,452,096/792,729,642.12
  6. Step 6: Final answer
    x = 452,165,287.68

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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.