Home / 30,761,856,205.20-46,142,784,307.80-20,422,140,109.20

Finding the Fourth Proportional to 30,761,856,205.20, 46,142,784,307.80 and 20,422,140,109.20

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Solution

The fourth proportional to 30,761,856,205.20, 46,142,784,307.80 and 20,422,140,109.20 is: 30,633,210,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,761,856,205.20 : 46,142,784,307.80 = 20,422,140,109.20 : x
  2. Step 2: Convert to fraction form
    30,761,856,205.20/46,142,784,307.80 = 20,422,140,109.20/x
  3. Step 3: Cross multiply
    30,761,856,205.20x = 46,142,784,307.80 × 20,422,140,109.20
  4. Step 4: Simplify right side
    30,761,856,205.20x = 942,334,406,162,486,788,096
  5. Step 5: Solve for x
    x = 942,334,406,162,486,788,096/30,761,856,205.20
  6. Step 6: Final answer
    x = 30,633,210,163.80

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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.