Home / 28,126,332,589.95-38,814,394,087.06-16,697,193,555.65

Finding the Fourth Proportional to 28,126,332,589.95, 38,814,394,087.06 and 16,697,193,555.65

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Solution

The fourth proportional to 28,126,332,589.95, 38,814,394,087.06 and 16,697,193,555.65 is: 23,042,159,824.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,126,332,589.95 : 38,814,394,087.06 = 16,697,193,555.65 : x
  2. Step 2: Convert to fraction form
    28,126,332,589.95/38,814,394,087.06 = 16,697,193,555.65/x
  3. Step 3: Cross multiply
    28,126,332,589.95x = 38,814,394,087.06 × 16,697,193,555.65
  4. Step 4: Simplify right side
    28,126,332,589.95x = 648,091,450,816,690,257,920
  5. Step 5: Solve for x
    x = 648,091,450,816,690,257,920/28,126,332,589.95
  6. Step 6: Final answer
    x = 23,042,159,824.57

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Double scale
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1.5x scale

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.