Home / 526,852,154.89-789,971,903.11-199,352,967.24

Finding the Fourth Proportional to 526,852,154.89, 789,971,903.11 and 199,352,967.24

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Solution

The fourth proportional to 526,852,154.89, 789,971,903.11 and 199,352,967.24 is: 298,913,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,852,154.89 : 789,971,903.11 = 199,352,967.24 : x
  2. Step 2: Convert to fraction form
    526,852,154.89/789,971,903.11 = 199,352,967.24/x
  3. Step 3: Cross multiply
    526,852,154.89x = 789,971,903.11 × 199,352,967.24
  4. Step 4: Simplify right side
    526,852,154.89x = 157,483,242,924,419,872
  5. Step 5: Solve for x
    x = 157,483,242,924,419,872/526,852,154.89
  6. Step 6: Final answer
    x = 298,913,540.47

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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.