Finding the Fourth Proportional to 1,551,310,905.60, 2,328,235,401.60 and 1,539,217,670.40
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Solution
The fourth proportional to 1,551,310,905.60, 2,328,235,401.60 and 1,539,217,670.40 is: 2,310,085,655.98
Step by Step Solution
- Step 1: Write the proportion equation
1,551,310,905.60 : 2,328,235,401.60 = 1,539,217,670.40 : x - Step 2: Convert to fraction form
1,551,310,905.60/2,328,235,401.60 = 1,539,217,670.40/x - Step 3: Cross multiply
1,551,310,905.60x = 2,328,235,401.60 × 1,539,217,670.40 - Step 4: Simplify right side
1,551,310,905.60x = 3,583,661,070,993,560,576 - Step 5: Solve for x
x = 3,583,661,070,993,560,576/1,551,310,905.60 - Step 6: Final answer
x = 2,310,085,655.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.