Finding the Fourth Proportional to 1,235,402,762.36, 1,853,102,578.55 and 315,279,121.64
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Solution
The fourth proportional to 1,235,402,762.36, 1,853,102,578.55 and 315,279,121.64 is: 472,918,283.06
Step by Step Solution
- Step 1: Write the proportion equation
1,235,402,762.36 : 1,853,102,578.55 = 315,279,121.64 : x - Step 2: Convert to fraction form
1,235,402,762.36/1,853,102,578.55 = 315,279,121.64/x - Step 3: Cross multiply
1,235,402,762.36x = 1,853,102,578.55 × 315,279,121.64 - Step 4: Simplify right side
1,235,402,762.36x = 584,244,553,263,221,248 - Step 5: Solve for x
x = 584,244,553,263,221,248/1,235,402,762.36 - Step 6: Final answer
x = 472,918,283.06
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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.