Finding the Fourth Proportional to 1,235,402,766.19, 1,853,102,584.37 and 315,279,125.47
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Solution
The fourth proportional to 1,235,402,766.19, 1,853,102,584.37 and 315,279,125.47 is: 472,918,288.83
Step by Step Solution
- Step 1: Write the proportion equation
1,235,402,766.19 : 1,853,102,584.37 = 315,279,125.47 : x - Step 2: Convert to fraction form
1,235,402,766.19/1,853,102,584.37 = 315,279,125.47/x - Step 3: Cross multiply
1,235,402,766.19x = 1,853,102,584.37 × 315,279,125.47 - Step 4: Simplify right side
1,235,402,766.19x = 584,244,562,200,161,280 - Step 5: Solve for x
x = 584,244,562,200,161,280/1,235,402,766.19 - Step 6: Final answer
x = 472,918,288.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.