Finding the Fourth Proportional to 1,235,402,766.70, 1,853,102,585.07 and 315,279,125.98
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Solution
The fourth proportional to 1,235,402,766.70, 1,853,102,585.07 and 315,279,125.98 is: 472,918,289.58
Step by Step Solution
- Step 1: Write the proportion equation
1,235,402,766.70 : 1,853,102,585.07 = 315,279,125.98 : x - Step 2: Convert to fraction form
1,235,402,766.70/1,853,102,585.07 = 315,279,125.98/x - Step 3: Cross multiply
1,235,402,766.70x = 1,853,102,585.07 × 315,279,125.98 - Step 4: Simplify right side
1,235,402,766.70x = 584,244,563,372,148,224 - Step 5: Solve for x
x = 584,244,563,372,148,224/1,235,402,766.70 - Step 6: Final answer
x = 472,918,289.58
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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.