Home / 1,008,317,626.40-1,512,476,439.60-836,130,742.40

Finding the Fourth Proportional to 1,008,317,626.40, 1,512,476,439.60 and 836,130,742.40

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Solution

The fourth proportional to 1,008,317,626.40, 1,512,476,439.60 and 836,130,742.40 is: 1,254,196,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,317,626.40 : 1,512,476,439.60 = 836,130,742.40 : x
  2. Step 2: Convert to fraction form
    1,008,317,626.40/1,512,476,439.60 = 836,130,742.40/x
  3. Step 3: Cross multiply
    1,008,317,626.40x = 1,512,476,439.60 × 836,130,742.40
  4. Step 4: Simplify right side
    1,008,317,626.40x = 1,264,628,048,305,256,704
  5. Step 5: Solve for x
    x = 1,264,628,048,305,256,704/1,008,317,626.40
  6. Step 6: Final answer
    x = 1,254,196,113.60

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Double scale
Find fourth proportional to 1,008,317,627.40, 1,512,476,441.10 and 836,130,743.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.