Home / 839,232,002.20-1,258,848,003.30-823,107,688.60

Finding the Fourth Proportional to 839,232,002.20, 1,258,848,003.30 and 823,107,688.60

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Solution

The fourth proportional to 839,232,002.20, 1,258,848,003.30 and 823,107,688.60 is: 1,234,661,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,232,002.20 : 1,258,848,003.30 = 823,107,688.60 : x
  2. Step 2: Convert to fraction form
    839,232,002.20/1,258,848,003.30 = 823,107,688.60/x
  3. Step 3: Cross multiply
    839,232,002.20x = 1,258,848,003.30 × 823,107,688.60
  4. Step 4: Simplify right side
    839,232,002.20x = 1,036,167,470,294,988,160
  5. Step 5: Solve for x
    x = 1,036,167,470,294,988,160/839,232,002.20
  6. Step 6: Final answer
    x = 1,234,661,532.90

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1.5x scale

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.