Finding the Fourth Proportional to 5,532,071,904.52, 7,634,282,229.20 and 2,991,753,871.68
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Solution
The fourth proportional to 5,532,071,904.52, 7,634,282,229.20 and 2,991,753,871.68 is: 4,128,632,781.88
Step by Step Solution
- Step 1: Write the proportion equation
5,532,071,904.52 : 7,634,282,229.20 = 2,991,753,871.68 : x - Step 2: Convert to fraction form
5,532,071,904.52/7,634,282,229.20 = 2,991,753,871.68/x - Step 3: Cross multiply
5,532,071,904.52x = 7,634,282,229.20 × 2,991,753,871.68 - Step 4: Simplify right side
5,532,071,904.52x = 22,839,893,416,706,920,448 - Step 5: Solve for x
x = 22,839,893,416,706,920,448/5,532,071,904.52 - Step 6: Final answer
x = 4,128,632,781.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.