Finding the Fourth Proportional to 1,158,827,462.60, 1,738,241,193.90 and 546,607,430.60
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Solution
The fourth proportional to 1,158,827,462.60, 1,738,241,193.90 and 546,607,430.60 is: 819,911,145.90
Step by Step Solution
- Step 1: Write the proportion equation
1,158,827,462.60 : 1,738,241,193.90 = 546,607,430.60 : x - Step 2: Convert to fraction form
1,158,827,462.60/1,738,241,193.90 = 546,607,430.60/x - Step 3: Cross multiply
1,158,827,462.60x = 1,738,241,193.90 × 546,607,430.60 - Step 4: Simplify right side
1,158,827,462.60x = 950,135,552,760,755,456 - Step 5: Solve for x
x = 950,135,552,760,755,456/1,158,827,462.60 - Step 6: Final answer
x = 819,911,145.90
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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.