Finding the Fourth Proportional to 1,527,156,056.19, 2,290,719,447.09 and 904,923,384.66
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Solution
The fourth proportional to 1,527,156,056.19, 2,290,719,447.09 and 904,923,384.66 is: 1,357,376,403.65
Step by Step Solution
- Step 1: Write the proportion equation
1,527,156,056.19 : 2,290,719,447.09 = 904,923,384.66 : x - Step 2: Convert to fraction form
1,527,156,056.19/2,290,719,447.09 = 904,923,384.66/x - Step 3: Cross multiply
1,527,156,056.19x = 2,290,719,447.09 × 904,923,384.66 - Step 4: Simplify right side
1,527,156,056.19x = 2,072,925,595,367,166,720 - Step 5: Solve for x
x = 2,072,925,595,367,166,720/1,527,156,056.19 - Step 6: Final answer
x = 1,357,376,403.65
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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.