Home / 30,607,078,766.80-45,910,618,150.20-28,863,686,566.30

Finding the Fourth Proportional to 30,607,078,766.80, 45,910,618,150.20 and 28,863,686,566.30

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Solution

The fourth proportional to 30,607,078,766.80, 45,910,618,150.20 and 28,863,686,566.30 is: 43,295,529,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,607,078,766.80 : 45,910,618,150.20 = 28,863,686,566.30 : x
  2. Step 2: Convert to fraction form
    30,607,078,766.80/45,910,618,150.20 = 28,863,686,566.30/x
  3. Step 3: Cross multiply
    30,607,078,766.80x = 45,910,618,150.20 × 28,863,686,566.30
  4. Step 4: Simplify right side
    30,607,078,766.80x = 1,325,149,692,352,456,556,544
  5. Step 5: Solve for x
    x = 1,325,149,692,352,456,556,544/30,607,078,766.80
  6. Step 6: Final answer
    x = 43,295,529,849.45

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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.