Finding the Fourth Proportional to 380,120,619,117.62, 524,611,424,865.85 and 225,796,908,345.09
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Solution
The fourth proportional to 380,120,619,117.62, 524,611,424,865.85 and 225,796,908,345.09 is: 311,626,446,605.80
Step by Step Solution
- Step 1: Write the proportion equation
380,120,619,117.62 : 524,611,424,865.85 = 225,796,908,345.09 : x - Step 2: Convert to fraction form
380,120,619,117.62/524,611,424,865.85 = 225,796,908,345.09/x - Step 3: Cross multiply
380,120,619,117.62x = 524,611,424,865.85 × 225,796,908,345.09 - Step 4: Simplify right side
380,120,619,117.62x = 118,455,637,817,221,388,959,744 - Step 5: Solve for x
x = 118,455,637,817,221,388,959,744/380,120,619,117.62 - Step 6: Final answer
x = 311,626,446,605.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.