Finding the Fourth Proportional to 379,827,094.84, 569,730,013.38 and 121,057,843.12
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Solution
The fourth proportional to 379,827,094.84, 569,730,013.38 and 121,057,843.12 is: 181,583,377.06
Step by Step Solution
- Step 1: Write the proportion equation
379,827,094.84 : 569,730,013.38 = 121,057,843.12 : x - Step 2: Convert to fraction form
379,827,094.84/569,730,013.38 = 121,057,843.12/x - Step 3: Cross multiply
379,827,094.84x = 569,730,013.38 × 121,057,843.12 - Step 4: Simplify right side
379,827,094.84x = 68,970,286,580,511,544 - Step 5: Solve for x
x = 68,970,286,580,511,544/379,827,094.84 - Step 6: Final answer
x = 181,583,377.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.