Finding the Fourth Proportional to 2,649,186,035.10, 3,973,779,052.65 and 808,699,563.90
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Solution
The fourth proportional to 2,649,186,035.10, 3,973,779,052.65 and 808,699,563.90 is: 1,213,049,345.85
Step by Step Solution
- Step 1: Write the proportion equation
2,649,186,035.10 : 3,973,779,052.65 = 808,699,563.90 : x - Step 2: Convert to fraction form
2,649,186,035.10/3,973,779,052.65 = 808,699,563.90/x - Step 3: Cross multiply
2,649,186,035.10x = 3,973,779,052.65 × 808,699,563.90 - Step 4: Simplify right side
2,649,186,035.10x = 3,213,593,386,913,010,176 - Step 5: Solve for x
x = 3,213,593,386,913,010,176/2,649,186,035.10 - Step 6: Final answer
x = 1,213,049,345.85
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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.