Finding the Fourth Proportional to 5,280,397,778,984, 7,920,596,668,476 and 5,280,397,778,984
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Solution
The fourth proportional to 5,280,397,778,984, 7,920,596,668,476 and 5,280,397,778,984 is: 7,920,596,668,476
Step by Step Solution
- Step 1: Write the proportion equation
5,280,397,778,984 : 7,920,596,668,476 = 5,280,397,778,984 : x - Step 2: Convert to fraction form
5,280,397,778,984/7,920,596,668,476 = 5,280,397,778,984/x - Step 3: Cross multiply
5,280,397,778,984x = 7,920,596,668,476 × 5,280,397,778,984 - Step 4: Simplify right side
5,280,397,778,984x = 41,823,901,056,448,739,596,566,528 - Step 5: Solve for x
x = 41,823,901,056,448,739,596,566,528/5,280,397,778,984 - Step 6: Final answer
x = 7,920,596,668,476
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1.5x scale
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.