Finding the Fourth Proportional to 7,488,539,430.89, 11,230,159,608.18 and 2,175,546,235.25
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Solution
The fourth proportional to 7,488,539,430.89, 11,230,159,608.18 and 2,175,546,235.25 is: 3,262,549,617.62
Step by Step Solution
- Step 1: Write the proportion equation
7,488,539,430.89 : 11,230,159,608.18 = 2,175,546,235.25 : x - Step 2: Convert to fraction form
7,488,539,430.89/11,230,159,608.18 = 2,175,546,235.25/x - Step 3: Cross multiply
7,488,539,430.89x = 11,230,159,608.18 × 2,175,546,235.25 - Step 4: Simplify right side
7,488,539,430.89x = 24,431,731,456,776,462,336 - Step 5: Solve for x
x = 24,431,731,456,776,462,336/7,488,539,430.89 - Step 6: Final answer
x = 3,262,549,617.62
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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.