Home / 913,023,912.52-1,259,975,415.54-495,336,184.84

Finding the Fourth Proportional to 913,023,912.52, 1,259,975,415.54 and 495,336,184.84

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Solution

The fourth proportional to 913,023,912.52, 1,259,975,415.54 and 495,336,184.84 is: 683,565,245.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,023,912.52 : 1,259,975,415.54 = 495,336,184.84 : x
  2. Step 2: Convert to fraction form
    913,023,912.52/1,259,975,415.54 = 495,336,184.84/x
  3. Step 3: Cross multiply
    913,023,912.52x = 1,259,975,415.54 × 495,336,184.84
  4. Step 4: Simplify right side
    913,023,912.52x = 624,111,415,325,777,152
  5. Step 5: Solve for x
    x = 624,111,415,325,777,152/913,023,912.52
  6. Step 6: Final answer
    x = 683,565,245.96

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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.