Finding the Fourth Proportional to 298,935,554.10, 448,403,331.15 and 80,585,474.10
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Solution
The fourth proportional to 298,935,554.10, 448,403,331.15 and 80,585,474.10 is: 120,878,211.15
Step by Step Solution
- Step 1: Write the proportion equation
298,935,554.10 : 448,403,331.15 = 80,585,474.10 : x - Step 2: Convert to fraction form
298,935,554.10/448,403,331.15 = 80,585,474.10/x - Step 3: Cross multiply
298,935,554.10x = 448,403,331.15 × 80,585,474.10 - Step 4: Simplify right side
298,935,554.10x = 36,134,795,028,742,040 - Step 5: Solve for x
x = 36,134,795,028,742,040/298,935,554.10 - Step 6: Final answer
x = 120,878,211.15
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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.