Finding the Fourth Proportional to 663,552,088.60, 995,328,132.90 and 203,486,603.80
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Solution
The fourth proportional to 663,552,088.60, 995,328,132.90 and 203,486,603.80 is: 305,229,905.70
Step by Step Solution
- Step 1: Write the proportion equation
663,552,088.60 : 995,328,132.90 = 203,486,603.80 : x - Step 2: Convert to fraction form
663,552,088.60/995,328,132.90 = 203,486,603.80/x - Step 3: Cross multiply
663,552,088.60x = 995,328,132.90 × 203,486,603.80 - Step 4: Simplify right side
663,552,088.60x = 202,535,941,430,416,064 - Step 5: Solve for x
x = 202,535,941,430,416,064/663,552,088.60 - Step 6: Final answer
x = 305,229,905.70
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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.