Finding the Fourth Proportional to 344,063,813.60, 474,807,853.44 and 189,539,141.60
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Solution
The fourth proportional to 344,063,813.60, 474,807,853.44 and 189,539,141.60 is: 261,563,900.09
Step by Step Solution
- Step 1: Write the proportion equation
344,063,813.60 : 474,807,853.44 = 189,539,141.60 : x - Step 2: Convert to fraction form
344,063,813.60/474,807,853.44 = 189,539,141.60/x - Step 3: Cross multiply
344,063,813.60x = 474,807,853.44 × 189,539,141.60 - Step 4: Simplify right side
344,063,813.60x = 89,994,672,965,956,208 - Step 5: Solve for x
x = 89,994,672,965,956,208/344,063,813.60 - Step 6: Final answer
x = 261,563,900.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.