Home / 526,852,226.27-789,972,009.96-199,353,038.62

Finding the Fourth Proportional to 526,852,226.27, 789,972,009.96 and 199,353,038.62

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Solution

The fourth proportional to 526,852,226.27, 789,972,009.96 and 199,353,038.62 is: 298,913,647.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,852,226.27 : 789,972,009.96 = 199,353,038.62 : x
  2. Step 2: Convert to fraction form
    526,852,226.27/789,972,009.96 = 199,353,038.62/x
  3. Step 3: Cross multiply
    526,852,226.27x = 789,972,009.96 × 199,353,038.62
  4. Step 4: Simplify right side
    526,852,226.27x = 157,483,320,610,274,912
  5. Step 5: Solve for x
    x = 157,483,320,610,274,912/526,852,226.27
  6. Step 6: Final answer
    x = 298,913,647.43

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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.