Finding the Fourth Proportional to 757,804,515.15, 1,136,706,772.73 and 512,916,502.35
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Solution
The fourth proportional to 757,804,515.15, 1,136,706,772.73 and 512,916,502.35 is: 769,374,753.53
Step by Step Solution
- Step 1: Write the proportion equation
757,804,515.15 : 1,136,706,772.73 = 512,916,502.35 : x - Step 2: Convert to fraction form
757,804,515.15/1,136,706,772.73 = 512,916,502.35/x - Step 3: Cross multiply
757,804,515.15x = 1,136,706,772.73 × 512,916,502.35 - Step 4: Simplify right side
757,804,515.15x = 583,035,662,066,227,968 - Step 5: Solve for x
x = 583,035,662,066,227,968/757,804,515.15 - Step 6: Final answer
x = 769,374,753.53
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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.