Home / 674,862,620.40-1,012,293,930.60-190,188,428.40

Finding the Fourth Proportional to 674,862,620.40, 1,012,293,930.60 and 190,188,428.40

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Solution

The fourth proportional to 674,862,620.40, 1,012,293,930.60 and 190,188,428.40 is: 285,282,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,862,620.40 : 1,012,293,930.60 = 190,188,428.40 : x
  2. Step 2: Convert to fraction form
    674,862,620.40/1,012,293,930.60 = 190,188,428.40/x
  3. Step 3: Cross multiply
    674,862,620.40x = 1,012,293,930.60 × 190,188,428.40
  4. Step 4: Simplify right side
    674,862,620.40x = 192,526,591,739,672,672
  5. Step 5: Solve for x
    x = 192,526,591,739,672,672/674,862,620.40
  6. Step 6: Final answer
    x = 285,282,642.60

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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.