Finding the Fourth Proportional to 7,657,449,115.80, 11,486,173,673.70 and 6,555,453,058.20
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Solution
The fourth proportional to 7,657,449,115.80, 11,486,173,673.70 and 6,555,453,058.20 is: 9,833,179,587.30
Step by Step Solution
- Step 1: Write the proportion equation
7,657,449,115.80 : 11,486,173,673.70 = 6,555,453,058.20 : x - Step 2: Convert to fraction form
7,657,449,115.80/11,486,173,673.70 = 6,555,453,058.20/x - Step 3: Cross multiply
7,657,449,115.80x = 11,486,173,673.70 × 6,555,453,058.20 - Step 4: Simplify right side
7,657,449,115.80x = 75,297,072,336,272,998,400 - Step 5: Solve for x
x = 75,297,072,336,272,998,400/7,657,449,115.80 - Step 6: Final answer
x = 9,833,179,587.30
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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.