Finding the Fourth Proportional to 669,952,218.24, 1,004,927,083.20 and 209,925,624.96
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Solution
The fourth proportional to 669,952,218.24, 1,004,927,083.20 and 209,925,624.96 is: 314,888,047.59
Step by Step Solution
- Step 1: Write the proportion equation
669,952,218.24 : 1,004,927,083.20 = 209,925,624.96 : x - Step 2: Convert to fraction form
669,952,218.24/1,004,927,083.20 = 209,925,624.96/x - Step 3: Cross multiply
669,952,218.24x = 1,004,927,083.20 × 209,925,624.96 - Step 4: Simplify right side
669,952,218.24x = 210,959,945,979,989,920 - Step 5: Solve for x
x = 210,959,945,979,989,920/669,952,218.24 - Step 6: Final answer
x = 314,888,047.59
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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.