Home / 839,232,017.20-1,258,848,025.80-823,107,703.60

Finding the Fourth Proportional to 839,232,017.20, 1,258,848,025.80 and 823,107,703.60

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Solution

The fourth proportional to 839,232,017.20, 1,258,848,025.80 and 823,107,703.60 is: 1,234,661,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,232,017.20 : 1,258,848,025.80 = 823,107,703.60 : x
  2. Step 2: Convert to fraction form
    839,232,017.20/1,258,848,025.80 = 823,107,703.60/x
  3. Step 3: Cross multiply
    839,232,017.20x = 1,258,848,025.80 × 823,107,703.60
  4. Step 4: Simplify right side
    839,232,017.20x = 1,036,167,507,697,631,488
  5. Step 5: Solve for x
    x = 1,036,167,507,697,631,488/839,232,017.20
  6. Step 6: Final answer
    x = 1,234,661,555.40

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Similar ratio
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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.