Finding the Fourth Proportional to 1,454,378,054.40, 2,181,873,844.80 and 471,728,278.08
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Solution
The fourth proportional to 1,454,378,054.40, 2,181,873,844.80 and 471,728,278.08 is: 707,691,915.92
Step by Step Solution
- Step 1: Write the proportion equation
1,454,378,054.40 : 2,181,873,844.80 = 471,728,278.08 : x - Step 2: Convert to fraction form
1,454,378,054.40/2,181,873,844.80 = 471,728,278.08/x - Step 3: Cross multiply
1,454,378,054.40x = 2,181,873,844.80 × 471,728,278.08 - Step 4: Simplify right side
1,454,378,054.40x = 1,029,251,591,795,293,184 - Step 5: Solve for x
x = 1,029,251,591,795,293,184/1,454,378,054.40 - Step 6: Final answer
x = 707,691,915.92
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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.