Finding the Fourth Proportional to 529,737,609.74, 731,032,099.99 and 291,577,701.96
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Solution
The fourth proportional to 529,737,609.74, 731,032,099.99 and 291,577,701.96 is: 402,374,035.48
Step by Step Solution
- Step 1: Write the proportion equation
529,737,609.74 : 731,032,099.99 = 291,577,701.96 : x - Step 2: Convert to fraction form
529,737,609.74/731,032,099.99 = 291,577,701.96/x - Step 3: Cross multiply
529,737,609.74x = 731,032,099.99 × 291,577,701.96 - Step 4: Simplify right side
529,737,609.74x = 213,152,659,773,342,368 - Step 5: Solve for x
x = 213,152,659,773,342,368/529,737,609.74 - Step 6: Final answer
x = 402,374,035.48
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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.