Finding the Fourth Proportional to 735,650,893.04, 1,015,444,236 and 438,386,351.68
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Solution
The fourth proportional to 735,650,893.04, 1,015,444,236 and 438,386,351.68 is: 605,119,762.87
Step by Step Solution
- Step 1: Write the proportion equation
735,650,893.04 : 1,015,444,236 = 438,386,351.68 : x - Step 2: Convert to fraction form
735,650,893.04/1,015,444,236 = 438,386,351.68/x - Step 3: Cross multiply
735,650,893.04x = 1,015,444,236 × 438,386,351.68 - Step 4: Simplify right side
735,650,893.04x = 445,156,893,954,524,928 - Step 5: Solve for x
x = 445,156,893,954,524,928/735,650,893.04 - Step 6: Final answer
x = 605,119,762.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.