Home / 627,908,199.89-942,004,196.44-207,728,587.26

Finding the Fourth Proportional to 627,908,199.89, 942,004,196.44 and 207,728,587.26

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Solution

The fourth proportional to 627,908,199.89, 942,004,196.44 and 207,728,587.26 is: 311,639,824.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,908,199.89 : 942,004,196.44 = 207,728,587.26 : x
  2. Step 2: Convert to fraction form
    627,908,199.89/942,004,196.44 = 207,728,587.26/x
  3. Step 3: Cross multiply
    627,908,199.89x = 942,004,196.44 × 207,728,587.26
  4. Step 4: Simplify right side
    627,908,199.89x = 195,681,200,918,953,376
  5. Step 5: Solve for x
    x = 195,681,200,918,953,376/627,908,199.89
  6. Step 6: Final answer
    x = 311,639,824.03

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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.