Home / 836,106,541.56-1,153,831,513.71-459,787,395.78

Finding the Fourth Proportional to 836,106,541.56, 1,153,831,513.71 and 459,787,395.78

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Solution

The fourth proportional to 836,106,541.56, 1,153,831,513.71 and 459,787,395.78 is: 634,509,073.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,106,541.56 : 1,153,831,513.71 = 459,787,395.78 : x
  2. Step 2: Convert to fraction form
    836,106,541.56/1,153,831,513.71 = 459,787,395.78/x
  3. Step 3: Cross multiply
    836,106,541.56x = 1,153,831,513.71 × 459,787,395.78
  4. Step 4: Simplify right side
    836,106,541.56x = 530,517,186,857,616,256
  5. Step 5: Solve for x
    x = 530,517,186,857,616,256/836,106,541.56
  6. Step 6: Final answer
    x = 634,509,073.29

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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.