Finding the Fourth Proportional to 1,766,107,832.70, 2,649,161,749.05 and 539,274,315.90
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Solution
The fourth proportional to 1,766,107,832.70, 2,649,161,749.05 and 539,274,315.90 is: 808,911,473.85
Step by Step Solution
- Step 1: Write the proportion equation
1,766,107,832.70 : 2,649,161,749.05 = 539,274,315.90 : x - Step 2: Convert to fraction form
1,766,107,832.70/2,649,161,749.05 = 539,274,315.90/x - Step 3: Cross multiply
1,766,107,832.70x = 2,649,161,749.05 × 539,274,315.90 - Step 4: Simplify right side
1,766,107,832.70x = 1,428,624,889,927,386,368 - Step 5: Solve for x
x = 1,428,624,889,927,386,368/1,766,107,832.70 - Step 6: Final answer
x = 808,911,473.85
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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.