Home / 9,271,711,921.55-13,907,653,970.54-2,639,340,830.16

Finding the Fourth Proportional to 9,271,711,921.55, 13,907,653,970.54 and 2,639,340,830.16

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Solution

The fourth proportional to 9,271,711,921.55, 13,907,653,970.54 and 2,639,340,830.16 is: 3,959,035,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271,711,921.55 : 13,907,653,970.54 = 2,639,340,830.16 : x
  2. Step 2: Convert to fraction form
    9,271,711,921.55/13,907,653,970.54 = 2,639,340,830.16/x
  3. Step 3: Cross multiply
    9,271,711,921.55x = 13,907,653,970.54 × 2,639,340,830.16
  4. Step 4: Simplify right side
    9,271,711,921.55x = 36,707,038,976,169,865,216
  5. Step 5: Solve for x
    x = 36,707,038,976,169,865,216/9,271,711,921.55
  6. Step 6: Final answer
    x = 3,959,035,751.63

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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.