Finding the Fourth Proportional to 539,063,191.01, 743,907,202.79 and 291,544,545.26
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Solution
The fourth proportional to 539,063,191.01, 743,907,202.79 and 291,544,545.26 is: 402,331,472.02
Step by Step Solution
- Step 1: Write the proportion equation
539,063,191.01 : 743,907,202.79 = 291,544,545.26 : x - Step 2: Convert to fraction form
539,063,191.01/743,907,202.79 = 291,544,545.26/x - Step 3: Cross multiply
539,063,191.01x = 743,907,202.79 × 291,544,545.26 - Step 4: Simplify right side
539,063,191.01x = 216,882,087,147,871,872 - Step 5: Solve for x
x = 216,882,087,147,871,872/539,063,191.01 - Step 6: Final answer
x = 402,331,472.02
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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.