Finding the Fourth Proportional to 5,507,980,853.84, 8,263,592,259 and 1,777,202,257.40
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Solution
The fourth proportional to 5,507,980,853.84, 8,263,592,259 and 1,777,202,257.40 is: 2,666,326,410.10
Step by Step Solution
- Step 1: Write the proportion equation
5,507,980,853.84 : 8,263,592,259 = 1,777,202,257.40 : x - Step 2: Convert to fraction form
5,507,980,853.84/8,263,592,259 = 1,777,202,257.40/x - Step 3: Cross multiply
5,507,980,853.84x = 8,263,592,259 × 1,777,202,257.40 - Step 4: Simplify right side
5,507,980,853.84x = 14,686,074,816,927,967,232 - Step 5: Solve for x
x = 14,686,074,816,927,967,232/5,507,980,853.84 - Step 6: Final answer
x = 2,666,326,410.10
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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.