Home / 2,112,768,331.40-3,169,152,497.10-1,022,361,624.20

Finding the Fourth Proportional to 2,112,768,331.40, 3,169,152,497.10 and 1,022,361,624.20

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Solution

The fourth proportional to 2,112,768,331.40, 3,169,152,497.10 and 1,022,361,624.20 is: 1,533,542,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,768,331.40 : 3,169,152,497.10 = 1,022,361,624.20 : x
  2. Step 2: Convert to fraction form
    2,112,768,331.40/3,169,152,497.10 = 1,022,361,624.20/x
  3. Step 3: Cross multiply
    2,112,768,331.40x = 3,169,152,497.10 × 1,022,361,624.20
  4. Step 4: Simplify right side
    2,112,768,331.40x = 3,240,019,894,272,642,048
  5. Step 5: Solve for x
    x = 3,240,019,894,272,642,048/2,112,768,331.40
  6. Step 6: Final answer
    x = 1,533,542,436.30

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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.