Home / 423,873,621.47-635,840,699.43-112,979,608.88

Finding the Fourth Proportional to 423,873,621.47, 635,840,699.43 and 112,979,608.88

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Solution

The fourth proportional to 423,873,621.47, 635,840,699.43 and 112,979,608.88 is: 169,477,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,873,621.47 : 635,840,699.43 = 112,979,608.88 : x
  2. Step 2: Convert to fraction form
    423,873,621.47/635,840,699.43 = 112,979,608.88/x
  3. Step 3: Cross multiply
    423,873,621.47x = 635,840,699.43 × 112,979,608.88
  4. Step 4: Simplify right side
    423,873,621.47x = 71,837,033,529,714,984
  5. Step 5: Solve for x
    x = 71,837,033,529,714,984/423,873,621.47
  6. Step 6: Final answer
    x = 169,477,480.77

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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.