Home / 824,210,039.40-1,236,315,059.10-800,322,167.40

Finding the Fourth Proportional to 824,210,039.40, 1,236,315,059.10 and 800,322,167.40

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Solution

The fourth proportional to 824,210,039.40, 1,236,315,059.10 and 800,322,167.40 is: 1,200,483,251.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,210,039.40 : 1,236,315,059.10 = 800,322,167.40 : x
  2. Step 2: Convert to fraction form
    824,210,039.40/1,236,315,059.10 = 800,322,167.40/x
  3. Step 3: Cross multiply
    824,210,039.40x = 1,236,315,059.10 × 800,322,167.40
  4. Step 4: Simplify right side
    824,210,039.40x = 989,450,347,688,171,008
  5. Step 5: Solve for x
    x = 989,450,347,688,171,008/824,210,039.40
  6. Step 6: Final answer
    x = 1,200,483,251.10

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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.