Finding the Fourth Proportional to 818,374,912.79, 1,228,338,448.61 and 506,539,254.24
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Solution
The fourth proportional to 818,374,912.79, 1,228,338,448.61 and 506,539,254.24 is: 760,289,241.51
Step by Step Solution
- Step 1: Write the proportion equation
818,374,912.79 : 1,228,338,448.61 = 506,539,254.24 : x - Step 2: Convert to fraction form
818,374,912.79/1,228,338,448.61 = 506,539,254.24/x - Step 3: Cross multiply
818,374,912.79x = 1,228,338,448.61 × 506,539,254.24 - Step 4: Simplify right side
818,374,912.79x = 622,201,641,710,695,296 - Step 5: Solve for x
x = 622,201,641,710,695,296/818,374,912.79 - Step 6: Final answer
x = 760,289,241.51
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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.