Home / 836,106,542.56-1,153,831,515.09-459,787,396.78

Finding the Fourth Proportional to 836,106,542.56, 1,153,831,515.09 and 459,787,396.78

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Solution

The fourth proportional to 836,106,542.56, 1,153,831,515.09 and 459,787,396.78 is: 634,509,074.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,106,542.56 : 1,153,831,515.09 = 459,787,396.78 : x
  2. Step 2: Convert to fraction form
    836,106,542.56/1,153,831,515.09 = 459,787,396.78/x
  3. Step 3: Cross multiply
    836,106,542.56x = 1,153,831,515.09 × 459,787,396.78
  4. Step 4: Simplify right side
    836,106,542.56x = 530,517,188,645,954,304
  5. Step 5: Solve for x
    x = 530,517,188,645,954,304/836,106,542.56
  6. Step 6: Final answer
    x = 634,509,074.67

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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.