Finding the Fourth Proportional to 866,815,328,251.60, 1,196,205,936,997.80 and 476,207,195,691.60
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Solution
The fourth proportional to 866,815,328,251.60, 1,196,205,936,997.80 and 476,207,195,691.60 is: 657,166,360,770.70
Step by Step Solution
- Step 1: Write the proportion equation
866,815,328,251.60 : 1,196,205,936,997.80 = 476,207,195,691.60 : x - Step 2: Convert to fraction form
866,815,328,251.60/1,196,205,936,997.80 = 476,207,195,691.60/x - Step 3: Cross multiply
866,815,328,251.60x = 1,196,205,936,997.80 × 476,207,195,691.60 - Step 4: Simplify right side
866,815,328,251.60x = 569,641,874,727,365,047,746,560 - Step 5: Solve for x
x = 569,641,874,727,365,047,746,560/866,815,328,251.60 - Step 6: Final answer
x = 657,166,360,770.70
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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.