Home / 8,277,958,856.20-12,416,938,284.30-7,788,182,830.60

Finding the Fourth Proportional to 8,277,958,856.20, 12,416,938,284.30 and 7,788,182,830.60

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Solution

The fourth proportional to 8,277,958,856.20, 12,416,938,284.30 and 7,788,182,830.60 is: 11,682,274,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277,958,856.20 : 12,416,938,284.30 = 7,788,182,830.60 : x
  2. Step 2: Convert to fraction form
    8,277,958,856.20/12,416,938,284.30 = 7,788,182,830.60/x
  3. Step 3: Cross multiply
    8,277,958,856.20x = 12,416,938,284.30 × 7,788,182,830.60
  4. Step 4: Simplify right side
    8,277,958,856.20x = 96,705,385,554,405,081,088
  5. Step 5: Solve for x
    x = 96,705,385,554,405,081,088/8,277,958,856.20
  6. Step 6: Final answer
    x = 11,682,274,245.90

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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.