Finding the Fourth Proportional to 3,413,552,135.70, 5,120,328,203.55 and 2,553,588,743.70
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Solution
The fourth proportional to 3,413,552,135.70, 5,120,328,203.55 and 2,553,588,743.70 is: 3,830,383,115.55
Step by Step Solution
- Step 1: Write the proportion equation
3,413,552,135.70 : 5,120,328,203.55 = 2,553,588,743.70 : x - Step 2: Convert to fraction form
3,413,552,135.70/5,120,328,203.55 = 2,553,588,743.70/x - Step 3: Cross multiply
3,413,552,135.70x = 5,120,328,203.55 × 2,553,588,743.70 - Step 4: Simplify right side
3,413,552,135.70x = 13,075,212,464,634,920,960 - Step 5: Solve for x
x = 13,075,212,464,634,920,960/3,413,552,135.70 - Step 6: Final answer
x = 3,830,383,115.55
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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.