Finding the Fourth Proportional to 366,637,290.65, 505,972,765.47 and 210,034,664.09
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Solution
The fourth proportional to 366,637,290.65, 505,972,765.47 and 210,034,664.09 is: 289,855,458.09
Step by Step Solution
- Step 1: Write the proportion equation
366,637,290.65 : 505,972,765.47 = 210,034,664.09 : x - Step 2: Convert to fraction form
366,637,290.65/505,972,765.47 = 210,034,664.09/x - Step 3: Cross multiply
366,637,290.65x = 505,972,765.47 × 210,034,664.09 - Step 4: Simplify right side
366,637,290.65x = 106,271,819,834,179,808 - Step 5: Solve for x
x = 106,271,819,834,179,808/366,637,290.65 - Step 6: Final answer
x = 289,855,458.09
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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.