Home / 2,167,909,740.50-2,991,715,441.60-1,228,112,382.42

Finding the Fourth Proportional to 2,167,909,740.50, 2,991,715,441.60 and 1,228,112,382.42

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Solution

The fourth proportional to 2,167,909,740.50, 2,991,715,441.60 and 1,228,112,382.42 is: 1,694,795,087.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,909,740.50 : 2,991,715,441.60 = 1,228,112,382.42 : x
  2. Step 2: Convert to fraction form
    2,167,909,740.50/2,991,715,441.60 = 1,228,112,382.42/x
  3. Step 3: Cross multiply
    2,167,909,740.50x = 2,991,715,441.60 × 1,228,112,382.42
  4. Step 4: Simplify right side
    2,167,909,740.50x = 3,674,162,778,506,078,720
  5. Step 5: Solve for x
    x = 3,674,162,778,506,078,720/2,167,909,740.50
  6. Step 6: Final answer
    x = 1,694,795,087.58

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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.