Finding the Fourth Proportional to 416,982,566.84, 575,424,986.32 and 228,810,282.62
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Solution
The fourth proportional to 416,982,566.84, 575,424,986.32 and 228,810,282.62 is: 315,752,178.19
Step by Step Solution
- Step 1: Write the proportion equation
416,982,566.84 : 575,424,986.32 = 228,810,282.62 : x - Step 2: Convert to fraction form
416,982,566.84/575,424,986.32 = 228,810,282.62/x - Step 3: Cross multiply
416,982,566.84x = 575,424,986.32 × 228,810,282.62 - Step 4: Simplify right side
416,982,566.84x = 131,663,153,746,488,848 - Step 5: Solve for x
x = 131,663,153,746,488,848/416,982,566.84 - Step 6: Final answer
x = 315,752,178.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.