Finding the Fourth Proportional to 573,922,991.68, 861,021,105.36 and 185,745,822.05
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Solution
The fourth proportional to 573,922,991.68, 861,021,105.36 and 185,745,822.05 is: 278,662,948.40
Step by Step Solution
- Step 1: Write the proportion equation
573,922,991.68 : 861,021,105.36 = 185,745,822.05 : x - Step 2: Convert to fraction form
573,922,991.68/861,021,105.36 = 185,745,822.05/x - Step 3: Cross multiply
573,922,991.68x = 861,021,105.36 × 185,745,822.05 - Step 4: Simplify right side
573,922,991.68x = 159,931,073,014,109,952 - Step 5: Solve for x
x = 159,931,073,014,109,952/573,922,991.68 - Step 6: Final answer
x = 278,662,948.40
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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.