Home / 2,017,871,900.40-3,026,807,850.60-1,238,991,970.80

Finding the Fourth Proportional to 2,017,871,900.40, 3,026,807,850.60 and 1,238,991,970.80

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Solution

The fourth proportional to 2,017,871,900.40, 3,026,807,850.60 and 1,238,991,970.80 is: 1,858,487,956.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017,871,900.40 : 3,026,807,850.60 = 1,238,991,970.80 : x
  2. Step 2: Convert to fraction form
    2,017,871,900.40/3,026,807,850.60 = 1,238,991,970.80/x
  3. Step 3: Cross multiply
    2,017,871,900.40x = 3,026,807,850.60 × 1,238,991,970.80
  4. Step 4: Simplify right side
    2,017,871,900.40x = 3,750,190,624,047,805,952
  5. Step 5: Solve for x
    x = 3,750,190,624,047,805,952/2,017,871,900.40
  6. Step 6: Final answer
    x = 1,858,487,956.20

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Double scale
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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.