Finding the Fourth Proportional to 883,073,316.84, 1,218,705,586.02 and 511,891,175.40
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Solution
The fourth proportional to 883,073,316.84, 1,218,705,586.02 and 511,891,175.40 is: 706,447,157.89
Step by Step Solution
- Step 1: Write the proportion equation
883,073,316.84 : 1,218,705,586.02 = 511,891,175.40 : x - Step 2: Convert to fraction form
883,073,316.84/1,218,705,586.02 = 511,891,175.40/x - Step 3: Cross multiply
883,073,316.84x = 1,218,705,586.02 × 511,891,175.40 - Step 4: Simplify right side
883,073,316.84x = 623,844,634,894,323,584 - Step 5: Solve for x
x = 623,844,634,894,323,584/883,073,316.84 - Step 6: Final answer
x = 706,447,157.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.