Finding the Fourth Proportional to 298,746,675.56, 448,134,010.14 and 145,209,711.08
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Solution
The fourth proportional to 298,746,675.56, 448,134,010.14 and 145,209,711.08 is: 217,821,369.95
Step by Step Solution
- Step 1: Write the proportion equation
298,746,675.56 : 448,134,010.14 = 145,209,711.08 : x - Step 2: Convert to fraction form
298,746,675.56/448,134,010.14 = 145,209,711.08/x - Step 3: Cross multiply
298,746,675.56x = 448,134,010.14 × 145,209,711.08 - Step 4: Simplify right side
298,746,675.56x = 65,073,410,137,551,192 - Step 5: Solve for x
x = 65,073,410,137,551,192/298,746,675.56 - Step 6: Final answer
x = 217,821,369.95
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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.