Home / 300,366,507,575.12-450,549,923,152.08-111,687,886,821.20

Finding the Fourth Proportional to 300,366,507,575.12, 450,549,923,152.08 and 111,687,886,821.20

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Solution

The fourth proportional to 300,366,507,575.12, 450,549,923,152.08 and 111,687,886,821.20 is: 167,531,890,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,366,507,575.12 : 450,549,923,152.08 = 111,687,886,821.20 : x
  2. Step 2: Convert to fraction form
    300,366,507,575.12/450,549,923,152.08 = 111,687,886,821.20/x
  3. Step 3: Cross multiply
    300,366,507,575.12x = 450,549,923,152.08 × 111,687,886,821.20
  4. Step 4: Simplify right side
    300,366,507,575.12x = 50,320,968,824,309,873,115,136
  5. Step 5: Solve for x
    x = 50,320,968,824,309,873,115,136/300,366,507,575.12
  6. Step 6: Final answer
    x = 167,531,890,391.36

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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.