Finding the Fourth Proportional to 352,273,248.60, 528,409,872.90 and 93,528,403.80
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Solution
The fourth proportional to 352,273,248.60, 528,409,872.90 and 93,528,403.80 is: 140,292,605.70
Step by Step Solution
- Step 1: Write the proportion equation
352,273,248.60 : 528,409,872.90 = 93,528,403.80 : x - Step 2: Convert to fraction form
352,273,248.60/528,409,872.90 = 93,528,403.80/x - Step 3: Cross multiply
352,273,248.60x = 528,409,872.90 × 93,528,403.80 - Step 4: Simplify right side
352,273,248.60x = 49,421,331,964,497,872 - Step 5: Solve for x
x = 49,421,331,964,497,872/352,273,248.60 - Step 6: Final answer
x = 140,292,605.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.