Home / 4,929,654,943.32-6,803,653,968.20-3,121,334,889.92

Finding the Fourth Proportional to 4,929,654,943.32, 6,803,653,968.20 and 3,121,334,889.92

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Solution

The fourth proportional to 4,929,654,943.32, 6,803,653,968.20 and 3,121,334,889.92 is: 4,307,904,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,929,654,943.32 : 6,803,653,968.20 = 3,121,334,889.92 : x
  2. Step 2: Convert to fraction form
    4,929,654,943.32/6,803,653,968.20 = 3,121,334,889.92/x
  3. Step 3: Cross multiply
    4,929,654,943.32x = 6,803,653,968.20 × 3,121,334,889.92
  4. Step 4: Simplify right side
    4,929,654,943.32x = 21,236,482,509,885,317,120
  5. Step 5: Solve for x
    x = 21,236,482,509,885,317,120/4,929,654,943.32
  6. Step 6: Final answer
    x = 4,307,904,458.64

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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.