Home / 8,088,209,762.40-12,132,314,643.60-3,945,520,879.20

Finding the Fourth Proportional to 8,088,209,762.40, 12,132,314,643.60 and 3,945,520,879.20

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Solution

The fourth proportional to 8,088,209,762.40, 12,132,314,643.60 and 3,945,520,879.20 is: 5,918,281,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088,209,762.40 : 12,132,314,643.60 = 3,945,520,879.20 : x
  2. Step 2: Convert to fraction form
    8,088,209,762.40/12,132,314,643.60 = 3,945,520,879.20/x
  3. Step 3: Cross multiply
    8,088,209,762.40x = 12,132,314,643.60 × 3,945,520,879.20
  4. Step 4: Simplify right side
    8,088,209,762.40x = 47,868,300,739,347,701,760
  5. Step 5: Solve for x
    x = 47,868,300,739,347,701,760/8,088,209,762.40
  6. Step 6: Final answer
    x = 5,918,281,318.80

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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.