Home / 8,276,688,069.80-12,415,032,104.70-7,378,765,356.20

Finding the Fourth Proportional to 8,276,688,069.80, 12,415,032,104.70 and 7,378,765,356.20

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Solution

The fourth proportional to 8,276,688,069.80, 12,415,032,104.70 and 7,378,765,356.20 is: 11,068,148,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276,688,069.80 : 12,415,032,104.70 = 7,378,765,356.20 : x
  2. Step 2: Convert to fraction form
    8,276,688,069.80/12,415,032,104.70 = 7,378,765,356.20/x
  3. Step 3: Cross multiply
    8,276,688,069.80x = 12,415,032,104.70 × 7,378,765,356.20
  4. Step 4: Simplify right side
    8,276,688,069.80x = 91,607,608,790,271,131,648
  5. Step 5: Solve for x
    x = 91,607,608,790,271,131,648/8,276,688,069.80
  6. Step 6: Final answer
    x = 11,068,148,034.30

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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.