Finding the Fourth Proportional to 484,711,564.05, 727,169,489.93 and 157,161,535.74
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Solution
The fourth proportional to 484,711,564.05, 727,169,489.93 and 157,161,535.74 is: 235,775,422.45
Step by Step Solution
- Step 1: Write the proportion equation
484,711,564.05 : 727,169,489.93 = 157,161,535.74 : x - Step 2: Convert to fraction form
484,711,564.05/727,169,489.93 = 157,161,535.74/x - Step 3: Cross multiply
484,711,564.05x = 727,169,489.93 × 157,161,535.74 - Step 4: Simplify right side
484,711,564.05x = 114,283,073,781,703,376 - Step 5: Solve for x
x = 114,283,073,781,703,376/484,711,564.05 - Step 6: Final answer
x = 235,775,422.45
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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.