Finding the Fourth Proportional to 68,510,928,567.60, 102,771,345,858.84 and 28,676,640,865.68
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Solution
The fourth proportional to 68,510,928,567.60, 102,771,345,858.84 and 28,676,640,865.68 is: 43,017,034,480.40
Step by Step Solution
- Step 1: Write the proportion equation
68,510,928,567.60 : 102,771,345,858.84 = 28,676,640,865.68 : x - Step 2: Convert to fraction form
68,510,928,567.60/102,771,345,858.84 = 28,676,640,865.68/x - Step 3: Cross multiply
68,510,928,567.60x = 102,771,345,858.84 × 28,676,640,865.68 - Step 4: Simplify right side
68,510,928,567.60x = 2,947,136,976,476,543,909,888 - Step 5: Solve for x
x = 2,947,136,976,476,543,909,888/68,510,928,567.60 - Step 6: Final answer
x = 43,017,034,480.40
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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.