Finding the Fourth Proportional to 992,209,351.68, 1,488,314,027.04 and 370,473,138
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Solution
The fourth proportional to 992,209,351.68, 1,488,314,027.04 and 370,473,138 is: 555,709,706.82
Step by Step Solution
- Step 1: Write the proportion equation
992,209,351.68 : 1,488,314,027.04 = 370,473,138 : x - Step 2: Convert to fraction form
992,209,351.68/1,488,314,027.04 = 370,473,138/x - Step 3: Cross multiply
992,209,351.68x = 1,488,314,027.04 × 370,473,138 - Step 4: Simplify right side
992,209,351.68x = 551,380,367,926,925,632 - Step 5: Solve for x
x = 551,380,367,926,925,632/992,209,351.68 - Step 6: Final answer
x = 555,709,706.82
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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.