Finding the Fourth Proportional to 299,455,657.10, 449,183,485.65 and 211,779,701.90
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Solution
The fourth proportional to 299,455,657.10, 449,183,485.65 and 211,779,701.90 is: 317,669,552.85
Step by Step Solution
- Step 1: Write the proportion equation
299,455,657.10 : 449,183,485.65 = 211,779,701.90 : x - Step 2: Convert to fraction form
299,455,657.10/449,183,485.65 = 211,779,701.90/x - Step 3: Cross multiply
299,455,657.10x = 449,183,485.65 × 211,779,701.90 - Step 4: Simplify right side
299,455,657.10x = 95,127,944,689,359,920 - Step 5: Solve for x
x = 95,127,944,689,359,920/299,455,657.10 - Step 6: Final answer
x = 317,669,552.85
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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.