Finding the Fourth Proportional to 1,324,379,675.40, 1,986,503,475.30 and 495,272,363.08
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Solution
The fourth proportional to 1,324,379,675.40, 1,986,503,475.30 and 495,272,363.08 is: 742,883,848.76
Step by Step Solution
- Step 1: Write the proportion equation
1,324,379,675.40 : 1,986,503,475.30 = 495,272,363.08 : x - Step 2: Convert to fraction form
1,324,379,675.40/1,986,503,475.30 = 495,272,363.08/x - Step 3: Cross multiply
1,324,379,675.40x = 1,986,503,475.30 × 495,272,363.08 - Step 4: Simplify right side
1,324,379,675.40x = 983,860,270,478,463,360 - Step 5: Solve for x
x = 983,860,270,478,463,360/1,324,379,675.40 - Step 6: Final answer
x = 742,883,848.76
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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.