Finding the Fourth Proportional to 970,110,617.63, 1,455,177,473.94 and 270,560,191.17
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Solution
The fourth proportional to 970,110,617.63, 1,455,177,473.94 and 270,560,191.17 is: 405,843,507.31
Step by Step Solution
- Step 1: Write the proportion equation
970,110,617.63 : 1,455,177,473.94 = 270,560,191.17 : x - Step 2: Convert to fraction form
970,110,617.63/1,455,177,473.94 = 270,560,191.17/x - Step 3: Cross multiply
970,110,617.63x = 1,455,177,473.94 × 270,560,191.17 - Step 4: Simplify right side
970,110,617.63x = 393,713,095,535,484,160 - Step 5: Solve for x
x = 393,713,095,535,484,160/970,110,617.63 - Step 6: Final answer
x = 405,843,507.31
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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.