Finding the Fourth Proportional to 591,877,657.80, 887,816,486.70 and 574,871,545.80
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Solution
The fourth proportional to 591,877,657.80, 887,816,486.70 and 574,871,545.80 is: 862,307,318.70
Step by Step Solution
- Step 1: Write the proportion equation
591,877,657.80 : 887,816,486.70 = 574,871,545.80 : x - Step 2: Convert to fraction form
591,877,657.80/887,816,486.70 = 574,871,545.80/x - Step 3: Cross multiply
591,877,657.80x = 887,816,486.70 × 574,871,545.80 - Step 4: Simplify right side
591,877,657.80x = 510,380,436,095,954,112 - Step 5: Solve for x
x = 510,380,436,095,954,112/591,877,657.80 - Step 6: Final answer
x = 862,307,318.70
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1.5x scale
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.