Finding the Fourth Proportional to 7,310,363,440.80, 10,971,815,727.60 and 2,951,423,997.60
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Solution
The fourth proportional to 7,310,363,440.80, 10,971,815,727.60 and 2,951,423,997.60 is: 4,429,667,621.58
Step by Step Solution
- Step 1: Write the proportion equation
7,310,363,440.80 : 10,971,815,727.60 = 2,951,423,997.60 : x - Step 2: Convert to fraction form
7,310,363,440.80/10,971,815,727.60 = 2,951,423,997.60/x - Step 3: Cross multiply
7,310,363,440.80x = 10,971,815,727.60 × 2,951,423,997.60 - Step 4: Simplify right side
7,310,363,440.80x = 32,382,480,235,683,745,792 - Step 5: Solve for x
x = 32,382,480,235,683,745,792/7,310,363,440.80 - Step 6: Final answer
x = 4,429,667,621.58
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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.