Home / 839,232,407.60-1,258,848,611.40-476,435,351.60

Finding the Fourth Proportional to 839,232,407.60, 1,258,848,611.40 and 476,435,351.60

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Solution

The fourth proportional to 839,232,407.60, 1,258,848,611.40 and 476,435,351.60 is: 714,653,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,232,407.60 : 1,258,848,611.40 = 476,435,351.60 : x
  2. Step 2: Convert to fraction form
    839,232,407.60/1,258,848,611.40 = 476,435,351.60/x
  3. Step 3: Cross multiply
    839,232,407.60x = 1,258,848,611.40 × 476,435,351.60
  4. Step 4: Simplify right side
    839,232,407.60x = 599,759,980,783,530,880
  5. Step 5: Solve for x
    x = 599,759,980,783,530,880/839,232,407.60
  6. Step 6: Final answer
    x = 714,653,027.40

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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.