Finding the Fourth Proportional to 1,115,534,530.11, 1,671,362,625.39 and 782,835,930.39
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Solution
The fourth proportional to 1,115,534,530.11, 1,671,362,625.39 and 782,835,930.39 is: 1,172,893,066.55
Step by Step Solution
- Step 1: Write the proportion equation
1,115,534,530.11 : 1,671,362,625.39 = 782,835,930.39 : x - Step 2: Convert to fraction form
1,115,534,530.11/1,671,362,625.39 = 782,835,930.39/x - Step 3: Cross multiply
1,115,534,530.11x = 1,671,362,625.39 × 782,835,930.39 - Step 4: Simplify right side
1,115,534,530.11x = 1,308,402,715,866,253,824 - Step 5: Solve for x
x = 1,308,402,715,866,253,824/1,115,534,530.11 - Step 6: Final answer
x = 1,172,893,066.55
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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.