Finding the Fourth Proportional to 866,815,328,250.80, 1,196,205,936,996.80 and 476,207,195,690.80
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Solution
The fourth proportional to 866,815,328,250.80, 1,196,205,936,996.80 and 476,207,195,690.80 is: 657,166,360,769.66
Step by Step Solution
- Step 1: Write the proportion equation
866,815,328,250.80 : 1,196,205,936,996.80 = 476,207,195,690.80 : x - Step 2: Convert to fraction form
866,815,328,250.80/1,196,205,936,996.80 = 476,207,195,690.80/x - Step 3: Cross multiply
866,815,328,250.80x = 1,196,205,936,996.80 × 476,207,195,690.80 - Step 4: Simplify right side
866,815,328,250.80x = 569,641,874,725,931,937,955,840 - Step 5: Solve for x
x = 569,641,874,725,931,937,955,840/866,815,328,250.80 - Step 6: Final answer
x = 657,166,360,769.66
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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.