Finding the Fourth Proportional to 730,699,381.98, 1,007,389,666.62 and 580,490,438.58
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Solution
The fourth proportional to 730,699,381.98, 1,007,389,666.62 and 580,490,438.58 is: 800,301,853.02
Step by Step Solution
- Step 1: Write the proportion equation
730,699,381.98 : 1,007,389,666.62 = 580,490,438.58 : x - Step 2: Convert to fraction form
730,699,381.98/1,007,389,666.62 = 580,490,438.58/x - Step 3: Cross multiply
730,699,381.98x = 1,007,389,666.62 × 580,490,438.58 - Step 4: Simplify right side
730,699,381.98x = 584,780,069,397,203,840 - Step 5: Solve for x
x = 584,780,069,397,203,840/730,699,381.98 - Step 6: Final answer
x = 800,301,853.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.