Home / 4,913,422,980.30-7,370,134,470.45-2,158,432,836.30

Finding the Fourth Proportional to 4,913,422,980.30, 7,370,134,470.45 and 2,158,432,836.30

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Solution

The fourth proportional to 4,913,422,980.30, 7,370,134,470.45 and 2,158,432,836.30 is: 3,237,649,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913,422,980.30 : 7,370,134,470.45 = 2,158,432,836.30 : x
  2. Step 2: Convert to fraction form
    4,913,422,980.30/7,370,134,470.45 = 2,158,432,836.30/x
  3. Step 3: Cross multiply
    4,913,422,980.30x = 7,370,134,470.45 × 2,158,432,836.30
  4. Step 4: Simplify right side
    4,913,422,980.30x = 15,907,940,248,965,793,792
  5. Step 5: Solve for x
    x = 15,907,940,248,965,793,792/4,913,422,980.30
  6. Step 6: Final answer
    x = 3,237,649,254.45

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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.