Home / 7,786,842,328.34-11,680,263,627.42-1,891,361,838.68

Finding the Fourth Proportional to 7,786,842,328.34, 11,680,263,627.42 and 1,891,361,838.68

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Solution

The fourth proportional to 7,786,842,328.34, 11,680,263,627.42 and 1,891,361,838.68 is: 2,837,042,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786,842,328.34 : 11,680,263,627.42 = 1,891,361,838.68 : x
  2. Step 2: Convert to fraction form
    7,786,842,328.34/11,680,263,627.42 = 1,891,361,838.68/x
  3. Step 3: Cross multiply
    7,786,842,328.34x = 11,680,263,627.42 × 1,891,361,838.68
  4. Step 4: Simplify right side
    7,786,842,328.34x = 22,091,604,890,565,816,320
  5. Step 5: Solve for x
    x = 22,091,604,890,565,816,320/7,786,842,328.34
  6. Step 6: Final answer
    x = 2,837,042,790.78

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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.