Finding the Fourth Proportional to 933,121,971.48, 1,287,747,441.50 and 536,645,270.60
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Solution
The fourth proportional to 933,121,971.48, 1,287,747,441.50 and 536,645,270.60 is: 740,592,972.12
Step by Step Solution
- Step 1: Write the proportion equation
933,121,971.48 : 1,287,747,441.50 = 536,645,270.60 : x - Step 2: Convert to fraction form
933,121,971.48/1,287,747,441.50 = 536,645,270.60/x - Step 3: Cross multiply
933,121,971.48x = 1,287,747,441.50 × 536,645,270.60 - Step 4: Simplify right side
933,121,971.48x = 691,063,574,208,225,152 - Step 5: Solve for x
x = 691,063,574,208,225,152/933,121,971.48 - Step 6: Final answer
x = 740,592,972.12
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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.