Home / 1,259,712,323.70-1,889,568,485.55-933,194,973.30

Finding the Fourth Proportional to 1,259,712,323.70, 1,889,568,485.55 and 933,194,973.30

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Solution

The fourth proportional to 1,259,712,323.70, 1,889,568,485.55 and 933,194,973.30 is: 1,399,792,459.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,712,323.70 : 1,889,568,485.55 = 933,194,973.30 : x
  2. Step 2: Convert to fraction form
    1,259,712,323.70/1,889,568,485.55 = 933,194,973.30/x
  3. Step 3: Cross multiply
    1,259,712,323.70x = 1,889,568,485.55 × 933,194,973.30
  4. Step 4: Simplify right side
    1,259,712,323.70x = 1,763,335,812,421,353,472
  5. Step 5: Solve for x
    x = 1,763,335,812,421,353,472/1,259,712,323.70
  6. Step 6: Final answer
    x = 1,399,792,459.95

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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.