Finding the Fourth Proportional to 581,668,554.33, 872,438,163.17 and 208,161,367.07
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Solution
The fourth proportional to 581,668,554.33, 872,438,163.17 and 208,161,367.07 is: 312,218,907.78
Step by Step Solution
- Step 1: Write the proportion equation
581,668,554.33 : 872,438,163.17 = 208,161,367.07 : x - Step 2: Convert to fraction form
581,668,554.33/872,438,163.17 = 208,161,367.07/x - Step 3: Cross multiply
581,668,554.33x = 872,438,163.17 × 208,161,367.07 - Step 4: Simplify right side
581,668,554.33x = 181,607,920,724,103,904 - Step 5: Solve for x
x = 181,607,920,724,103,904/581,668,554.33 - Step 6: Final answer
x = 312,218,907.78
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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.