Finding the Fourth Proportional to 703,163,255.99, 1,054,642,213.74 and 205,039,916.12
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Solution
The fourth proportional to 703,163,255.99, 1,054,642,213.74 and 205,039,916.12 is: 307,529,935.91
Step by Step Solution
- Step 1: Write the proportion equation
703,163,255.99 : 1,054,642,213.74 = 205,039,916.12 : x - Step 2: Convert to fraction form
703,163,255.99/1,054,642,213.74 = 205,039,916.12/x - Step 3: Cross multiply
703,163,255.99x = 1,054,642,213.74 × 205,039,916.12 - Step 4: Simplify right side
703,163,255.99x = 216,243,751,045,276,480 - Step 5: Solve for x
x = 216,243,751,045,276,480/703,163,255.99 - Step 6: Final answer
x = 307,529,935.91
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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.