Finding the Fourth Proportional to 5,476,315,781.24, 8,168,430,841.52 and 4,973,575,270.48
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Solution
The fourth proportional to 5,476,315,781.24, 8,168,430,841.52 and 4,973,575,270.48 is: 7,418,546,930.98
Step by Step Solution
- Step 1: Write the proportion equation
5,476,315,781.24 : 8,168,430,841.52 = 4,973,575,270.48 : x - Step 2: Convert to fraction form
5,476,315,781.24/8,168,430,841.52 = 4,973,575,270.48/x - Step 3: Cross multiply
5,476,315,781.24x = 8,168,430,841.52 × 4,973,575,270.48 - Step 4: Simplify right side
5,476,315,781.24x = 40,626,305,632,010,010,624 - Step 5: Solve for x
x = 40,626,305,632,010,010,624/5,476,315,781.24 - Step 6: Final answer
x = 7,418,546,930.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.