Home / 828,563,998.16-1,243,009,722.86-303,937,971.27

Finding the Fourth Proportional to 828,563,998.16, 1,243,009,722.86 and 303,937,971.27

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Solution

The fourth proportional to 828,563,998.16, 1,243,009,722.86 and 303,937,971.27 is: 455,967,015.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,563,998.16 : 1,243,009,722.86 = 303,937,971.27 : x
  2. Step 2: Convert to fraction form
    828,563,998.16/1,243,009,722.86 = 303,937,971.27/x
  3. Step 3: Cross multiply
    828,563,998.16x = 1,243,009,722.86 × 303,937,971.27
  4. Step 4: Simplify right side
    828,563,998.16x = 377,797,853,433,433,664
  5. Step 5: Solve for x
    x = 377,797,853,433,433,664/828,563,998.16
  6. Step 6: Final answer
    x = 455,967,015.55

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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.