Home / 18,366,314,129.60-27,549,471,194.40-7,883,746,692.80

Finding the Fourth Proportional to 18,366,314,129.60, 27,549,471,194.40 and 7,883,746,692.80

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Solution

The fourth proportional to 18,366,314,129.60, 27,549,471,194.40 and 7,883,746,692.80 is: 11,825,620,039.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,366,314,129.60 : 27,549,471,194.40 = 7,883,746,692.80 : x
  2. Step 2: Convert to fraction form
    18,366,314,129.60/27,549,471,194.40 = 7,883,746,692.80/x
  3. Step 3: Cross multiply
    18,366,314,129.60x = 27,549,471,194.40 × 7,883,746,692.80
  4. Step 4: Simplify right side
    18,366,314,129.60x = 217,193,052,417,239,875,584
  5. Step 5: Solve for x
    x = 217,193,052,417,239,875,584/18,366,314,129.60
  6. Step 6: Final answer
    x = 11,825,620,039.20

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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.