Finding the Fourth Proportional to 8,790,634,641.60, 13,185,951,962.40 and 3,268,750,075.20
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Solution
The fourth proportional to 8,790,634,641.60, 13,185,951,962.40 and 3,268,750,075.20 is: 4,903,125,112.80
Step by Step Solution
- Step 1: Write the proportion equation
8,790,634,641.60 : 13,185,951,962.40 = 3,268,750,075.20 : x - Step 2: Convert to fraction form
8,790,634,641.60/13,185,951,962.40 = 3,268,750,075.20/x - Step 3: Cross multiply
8,790,634,641.60x = 13,185,951,962.40 × 3,268,750,075.20 - Step 4: Simplify right side
8,790,634,641.60x = 43,101,581,468,678,586,368 - Step 5: Solve for x
x = 43,101,581,468,678,586,368/8,790,634,641.60 - Step 6: Final answer
x = 4,903,125,112.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.