Finding the Fourth Proportional to 909,374,267.36, 1,364,052,307.49 and 287,589,605.46
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Solution
The fourth proportional to 909,374,267.36, 1,364,052,307.49 and 287,589,605.46 is: 431,381,532.35
Step by Step Solution
- Step 1: Write the proportion equation
909,374,267.36 : 1,364,052,307.49 = 287,589,605.46 : x - Step 2: Convert to fraction form
909,374,267.36/1,364,052,307.49 = 287,589,605.46/x - Step 3: Cross multiply
909,374,267.36x = 1,364,052,307.49 × 287,589,605.46 - Step 4: Simplify right side
909,374,267.36x = 392,287,264,934,001,920 - Step 5: Solve for x
x = 392,287,264,934,001,920/909,374,267.36 - Step 6: Final answer
x = 431,381,532.35
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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.