Finding the Fourth Proportional to 572,168,940.18, 858,381,347.34 and 208,663,296.18
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Solution
The fourth proportional to 572,168,940.18, 858,381,347.34 and 208,663,296.18 is: 313,041,601.42
Step by Step Solution
- Step 1: Write the proportion equation
572,168,940.18 : 858,381,347.34 = 208,663,296.18 : x - Step 2: Convert to fraction form
572,168,940.18/858,381,347.34 = 208,663,296.18/x - Step 3: Cross multiply
572,168,940.18x = 858,381,347.34 × 208,663,296.18 - Step 4: Simplify right side
572,168,940.18x = 179,112,681,315,393,888 - Step 5: Solve for x
x = 179,112,681,315,393,888/572,168,940.18 - Step 6: Final answer
x = 313,041,601.42
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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.