Home / 839,232,331.20-1,258,848,496.80-823,108,017.60

Finding the Fourth Proportional to 839,232,331.20, 1,258,848,496.80 and 823,108,017.60

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Solution

The fourth proportional to 839,232,331.20, 1,258,848,496.80 and 823,108,017.60 is: 1,234,662,026.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,232,331.20 : 1,258,848,496.80 = 823,108,017.60 : x
  2. Step 2: Convert to fraction form
    839,232,331.20/1,258,848,496.80 = 823,108,017.60/x
  3. Step 3: Cross multiply
    839,232,331.20x = 1,258,848,496.80 × 823,108,017.60
  4. Step 4: Simplify right side
    839,232,331.20x = 1,036,168,290,659,787,904
  5. Step 5: Solve for x
    x = 1,036,168,290,659,787,904/839,232,331.20
  6. Step 6: Final answer
    x = 1,234,662,026.40

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Double scale
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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.