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Finding the Fourth Proportional to 1,739,645,922.60, 2,400,711,768.90 and 957,364,770.60

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Solution

The fourth proportional to 1,739,645,922.60, 2,400,711,768.90 and 957,364,770.60 is: 1,321,163,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,645,922.60 : 2,400,711,768.90 = 957,364,770.60 : x
  2. Step 2: Convert to fraction form
    1,739,645,922.60/2,400,711,768.90 = 957,364,770.60/x
  3. Step 3: Cross multiply
    1,739,645,922.60x = 2,400,711,768.90 × 957,364,770.60
  4. Step 4: Simplify right side
    1,739,645,922.60x = 2,298,356,871,909,668,864
  5. Step 5: Solve for x
    x = 2,298,356,871,909,668,864/1,739,645,922.60
  6. Step 6: Final answer
    x = 1,321,163,601.20

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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.