Finding the Fourth Proportional to 5,378,727,570.48, 8,067,485,381.76 and 1,448,721,375.48
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Solution
The fourth proportional to 5,378,727,570.48, 8,067,485,381.76 and 1,448,721,375.48 is: 2,172,918,848.52
Step by Step Solution
- Step 1: Write the proportion equation
5,378,727,570.48 : 8,067,485,381.76 = 1,448,721,375.48 : x - Step 2: Convert to fraction form
5,378,727,570.48/8,067,485,381.76 = 1,448,721,375.48/x - Step 3: Cross multiply
5,378,727,570.48x = 8,067,485,381.76 × 1,448,721,375.48 - Step 4: Simplify right side
5,378,727,570.48x = 11,687,538,518,928,140,288 - Step 5: Solve for x
x = 11,687,538,518,928,140,288/5,378,727,570.48 - Step 6: Final answer
x = 2,172,918,848.52
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.