Finding the Fourth Proportional to 366,979,252.40, 550,468,878.60 and 203,720,577.20
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Solution
The fourth proportional to 366,979,252.40, 550,468,878.60 and 203,720,577.20 is: 305,580,865.80
Step by Step Solution
- Step 1: Write the proportion equation
366,979,252.40 : 550,468,878.60 = 203,720,577.20 : x - Step 2: Convert to fraction form
366,979,252.40/550,468,878.60 = 203,720,577.20/x - Step 3: Cross multiply
366,979,252.40x = 550,468,878.60 × 203,720,577.20 - Step 4: Simplify right side
366,979,252.40x = 112,141,837,679,028,720 - Step 5: Solve for x
x = 112,141,837,679,028,720/366,979,252.40 - Step 6: Final answer
x = 305,580,865.80
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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.