Home / 526,852,157.88-789,971,907.60-199,352,970.24

Finding the Fourth Proportional to 526,852,157.88, 789,971,907.60 and 199,352,970.24

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Solution

The fourth proportional to 526,852,157.88, 789,971,907.60 and 199,352,970.24 is: 298,913,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,852,157.88 : 789,971,907.60 = 199,352,970.24 : x
  2. Step 2: Convert to fraction form
    526,852,157.88/789,971,907.60 = 199,352,970.24/x
  3. Step 3: Cross multiply
    526,852,157.88x = 789,971,907.60 × 199,352,970.24
  4. Step 4: Simplify right side
    526,852,157.88x = 157,483,246,186,218,848
  5. Step 5: Solve for x
    x = 157,483,246,186,218,848/526,852,157.88
  6. Step 6: Final answer
    x = 298,913,544.97

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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.