Finding the Fourth Proportional to 505,428,638.52, 758,189,224.98 and 141,920,545.08
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Solution
The fourth proportional to 505,428,638.52, 758,189,224.98 and 141,920,545.08 is: 212,893,809.10
Step by Step Solution
- Step 1: Write the proportion equation
505,428,638.52 : 758,189,224.98 = 141,920,545.08 : x - Step 2: Convert to fraction form
505,428,638.52/758,189,224.98 = 141,920,545.08/x - Step 3: Cross multiply
505,428,638.52x = 758,189,224.98 × 141,920,545.08 - Step 4: Simplify right side
505,428,638.52x = 107,602,628,082,944,368 - Step 5: Solve for x
x = 107,602,628,082,944,368/505,428,638.52 - Step 6: Final answer
x = 212,893,809.10
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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.