Finding the Fourth Proportional to 4,191,990,742.04, 6,287,319,745.09 and 1,393,726,538.39
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Solution
The fourth proportional to 4,191,990,742.04, 6,287,319,745.09 and 1,393,726,538.39 is: 2,090,368,257.78
Step by Step Solution
- Step 1: Write the proportion equation
4,191,990,742.04 : 6,287,319,745.09 = 1,393,726,538.39 : x - Step 2: Convert to fraction form
4,191,990,742.04/6,287,319,745.09 = 1,393,726,538.39/x - Step 3: Cross multiply
4,191,990,742.04x = 6,287,319,745.09 × 1,393,726,538.39 - Step 4: Simplify right side
4,191,990,742.04x = 8,762,804,384,075,383,808 - Step 5: Solve for x
x = 8,762,804,384,075,383,808/4,191,990,742.04 - Step 6: Final answer
x = 2,090,368,257.78
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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.