Finding the Fourth Proportional to 756,836,438.40, 1,135,254,657.60 and 552,763,094.40
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Solution
The fourth proportional to 756,836,438.40, 1,135,254,657.60 and 552,763,094.40 is: 829,144,641.60
Step by Step Solution
- Step 1: Write the proportion equation
756,836,438.40 : 1,135,254,657.60 = 552,763,094.40 : x - Step 2: Convert to fraction form
756,836,438.40/1,135,254,657.60 = 552,763,094.40/x - Step 3: Cross multiply
756,836,438.40x = 1,135,254,657.60 × 552,763,094.40 - Step 4: Simplify right side
756,836,438.40x = 627,526,877,466,988,416 - Step 5: Solve for x
x = 627,526,877,466,988,416/756,836,438.40 - Step 6: Final answer
x = 829,144,641.60
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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.