Home / 1,325,168,868.56-1,828,814,858.21-730,452,013.56

Finding the Fourth Proportional to 1,325,168,868.56, 1,828,814,858.21 and 730,452,013.56

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Solution

The fourth proportional to 1,325,168,868.56, 1,828,814,858.21 and 730,452,013.56 is: 1,008,068,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,168,868.56 : 1,828,814,858.21 = 730,452,013.56 : x
  2. Step 2: Convert to fraction form
    1,325,168,868.56/1,828,814,858.21 = 730,452,013.56/x
  3. Step 3: Cross multiply
    1,325,168,868.56x = 1,828,814,858.21 × 730,452,013.56
  4. Step 4: Simplify right side
    1,325,168,868.56x = 1,335,861,495,609,766,400
  5. Step 5: Solve for x
    x = 1,335,861,495,609,766,400/1,325,168,868.56
  6. Step 6: Final answer
    x = 1,008,068,878.85

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Double scale
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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.