Finding the Fourth Proportional to 687,325,502.88, 1,029,627,758.76 and 601,161,202.08
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Solution
The fourth proportional to 687,325,502.88, 1,029,627,758.76 and 601,161,202.08 is: 900,551,861.61
Step by Step Solution
- Step 1: Write the proportion equation
687,325,502.88 : 1,029,627,758.76 = 601,161,202.08 : x - Step 2: Convert to fraction form
687,325,502.88/1,029,627,758.76 = 601,161,202.08/x - Step 3: Cross multiply
687,325,502.88x = 1,029,627,758.76 × 601,161,202.08 - Step 4: Simplify right side
687,325,502.88x = 618,972,261,151,097,856 - Step 5: Solve for x
x = 618,972,261,151,097,856/687,325,502.88 - Step 6: Final answer
x = 900,551,861.61
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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.