Finding the Fourth Proportional to 958,570,966.68, 1,437,897,478.20 and 376,431,173.28
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Solution
The fourth proportional to 958,570,966.68, 1,437,897,478.20 and 376,431,173.28 is: 564,662,871.70
Step by Step Solution
- Step 1: Write the proportion equation
958,570,966.68 : 1,437,897,478.20 = 376,431,173.28 : x - Step 2: Convert to fraction form
958,570,966.68/1,437,897,478.20 = 376,431,173.28/x - Step 3: Cross multiply
958,570,966.68x = 1,437,897,478.20 × 376,431,173.28 - Step 4: Simplify right side
958,570,966.68x = 541,269,434,775,179,200 - Step 5: Solve for x
x = 541,269,434,775,179,200/958,570,966.68 - Step 6: Final answer
x = 564,662,871.70
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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.