Finding the Fourth Proportional to 2,070,390,446.40, 3,104,451,928.80 and 842,171,246.40
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Solution
The fourth proportional to 2,070,390,446.40, 3,104,451,928.80 and 842,171,246.40 is: 1,262,795,698.66
Step by Step Solution
- Step 1: Write the proportion equation
2,070,390,446.40 : 3,104,451,928.80 = 842,171,246.40 : x - Step 2: Convert to fraction form
2,070,390,446.40/3,104,451,928.80 = 842,171,246.40/x - Step 3: Cross multiply
2,070,390,446.40x = 3,104,451,928.80 × 842,171,246.40 - Step 4: Simplify right side
2,070,390,446.40x = 2,614,480,150,266,380,288 - Step 5: Solve for x
x = 2,614,480,150,266,380,288/2,070,390,446.40 - Step 6: Final answer
x = 1,262,795,698.66
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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.