Home / 1,638,148,519.80-2,457,222,779.70-602,795,163.60

Finding the Fourth Proportional to 1,638,148,519.80, 2,457,222,779.70 and 602,795,163.60

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Solution

The fourth proportional to 1,638,148,519.80, 2,457,222,779.70 and 602,795,163.60 is: 904,192,745.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,148,519.80 : 2,457,222,779.70 = 602,795,163.60 : x
  2. Step 2: Convert to fraction form
    1,638,148,519.80/2,457,222,779.70 = 602,795,163.60/x
  3. Step 3: Cross multiply
    1,638,148,519.80x = 2,457,222,779.70 × 602,795,163.60
  4. Step 4: Simplify right side
    1,638,148,519.80x = 1,481,202,007,490,908,160
  5. Step 5: Solve for x
    x = 1,481,202,007,490,908,160/1,638,148,519.80
  6. Step 6: Final answer
    x = 904,192,745.40

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Double scale
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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.