Finding the Fourth Proportional to 910,713,682.81, 1,366,614,586.02 and 836,618,848.15
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Solution
The fourth proportional to 910,713,682.81, 1,366,614,586.02 and 836,618,848.15 is: 1,255,428,069.66
Step by Step Solution
- Step 1: Write the proportion equation
910,713,682.81 : 1,366,614,586.02 = 836,618,848.15 : x - Step 2: Convert to fraction form
910,713,682.81/1,366,614,586.02 = 836,618,848.15/x - Step 3: Cross multiply
910,713,682.81x = 1,366,614,586.02 × 836,618,848.15 - Step 4: Simplify right side
910,713,682.81x = 1,143,335,520,821,041,408 - Step 5: Solve for x
x = 1,143,335,520,821,041,408/910,713,682.81 - Step 6: Final answer
x = 1,255,428,069.66
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1.5x scale
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.