Finding the Fourth Proportional to 5,280,397,778,582.80, 7,920,596,667,874 and 5,280,397,778,582.80
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Solution
The fourth proportional to 5,280,397,778,582.80, 7,920,596,667,874 and 5,280,397,778,582.80 is: 7,920,596,667,874
Step by Step Solution
- Step 1: Write the proportion equation
5,280,397,778,582.80 : 7,920,596,667,874 = 5,280,397,778,582.80 : x - Step 2: Convert to fraction form
5,280,397,778,582.80/7,920,596,667,874 = 5,280,397,778,582.80/x - Step 3: Cross multiply
5,280,397,778,582.80x = 7,920,596,667,874 × 5,280,397,778,582.80 - Step 4: Simplify right side
5,280,397,778,582.80x = 41,823,901,050,092,196,588,421,120 - Step 5: Solve for x
x = 41,823,901,050,092,196,588,421,120/5,280,397,778,582.80 - Step 6: Final answer
x = 7,920,596,667,874
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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.