Finding the Fourth Proportional to 292,448,518.20, 403,762,460.94 and 188,207,743.32
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Solution
The fourth proportional to 292,448,518.20, 403,762,460.94 and 188,207,743.32 is: 259,844,782.52
Step by Step Solution
- Step 1: Write the proportion equation
292,448,518.20 : 403,762,460.94 = 188,207,743.32 : x - Step 2: Convert to fraction form
292,448,518.20/403,762,460.94 = 188,207,743.32/x - Step 3: Cross multiply
292,448,518.20x = 403,762,460.94 × 188,207,743.32 - Step 4: Simplify right side
292,448,518.20x = 75,991,221,610,847,040 - Step 5: Solve for x
x = 75,991,221,610,847,040/292,448,518.20 - Step 6: Final answer
x = 259,844,782.52
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.