Finding the Fourth Proportional to 425,121,875,236.58, 638,136,606,250.15 and 183,218,365,665.93
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Solution
The fourth proportional to 425,121,875,236.58, 638,136,606,250.15 and 183,218,365,665.93 is: 275,023,123,671.75
Step by Step Solution
- Step 1: Write the proportion equation
425,121,875,236.58 : 638,136,606,250.15 = 183,218,365,665.93 : x - Step 2: Convert to fraction form
425,121,875,236.58/638,136,606,250.15 = 183,218,365,665.93/x - Step 3: Cross multiply
425,121,875,236.58x = 638,136,606,250.15 × 183,218,365,665.93 - Step 4: Simplify right side
425,121,875,236.58x = 116,918,346,068,755,574,947,840 - Step 5: Solve for x
x = 116,918,346,068,755,574,947,840/425,121,875,236.58 - Step 6: Final answer
x = 275,023,123,671.75
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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.