Finding the Fourth Proportional to 325,937,219.80, 488,905,829.70 and 249,409,715.80
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Solution
The fourth proportional to 325,937,219.80, 488,905,829.70 and 249,409,715.80 is: 374,114,573.70
Step by Step Solution
- Step 1: Write the proportion equation
325,937,219.80 : 488,905,829.70 = 249,409,715.80 : x - Step 2: Convert to fraction form
325,937,219.80/488,905,829.70 = 249,409,715.80/x - Step 3: Cross multiply
325,937,219.80x = 488,905,829.70 × 249,409,715.80 - Step 4: Simplify right side
325,937,219.80x = 121,937,864,038,440,208 - Step 5: Solve for x
x = 121,937,864,038,440,208/325,937,219.80 - Step 6: Final answer
x = 374,114,573.70
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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.