Home / 412,884,239.20-619,231,718.32-117,773,741.92

Finding the Fourth Proportional to 412,884,239.20, 619,231,718.32 and 117,773,741.92

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Solution

The fourth proportional to 412,884,239.20, 619,231,718.32 and 117,773,741.92 is: 176,633,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,884,239.20 : 619,231,718.32 = 117,773,741.92 : x
  2. Step 2: Convert to fraction form
    412,884,239.20/619,231,718.32 = 117,773,741.92/x
  3. Step 3: Cross multiply
    412,884,239.20x = 619,231,718.32 × 117,773,741.92
  4. Step 4: Simplify right side
    412,884,239.20x = 72,929,236,582,097,824
  5. Step 5: Solve for x
    x = 72,929,236,582,097,824/412,884,239.20
  6. Step 6: Final answer
    x = 176,633,617.02

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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.