Home / 9,271,711,929.04-13,907,653,981.78-2,639,340,837.66

Finding the Fourth Proportional to 9,271,711,929.04, 13,907,653,981.78 and 2,639,340,837.66

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Solution

The fourth proportional to 9,271,711,929.04, 13,907,653,981.78 and 2,639,340,837.66 is: 3,959,035,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271,711,929.04 : 13,907,653,981.78 = 2,639,340,837.66 : x
  2. Step 2: Convert to fraction form
    9,271,711,929.04/13,907,653,981.78 = 2,639,340,837.66/x
  3. Step 3: Cross multiply
    9,271,711,929.04x = 13,907,653,981.78 × 2,639,340,837.66
  4. Step 4: Simplify right side
    9,271,711,929.04x = 36,707,039,110,156,660,736
  5. Step 5: Solve for x
    x = 36,707,039,110,156,660,736/9,271,711,929.04
  6. Step 6: Final answer
    x = 3,959,035,762.88

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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.