Finding the Fourth Proportional to 540,349,062.38, 745,682,343.86 and 292,830,416.63
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Solution
The fourth proportional to 540,349,062.38, 745,682,343.86 and 292,830,416.63 is: 404,106,320.58
Step by Step Solution
- Step 1: Write the proportion equation
540,349,062.38 : 745,682,343.86 = 292,830,416.63 : x - Step 2: Convert to fraction form
540,349,062.38/745,682,343.86 = 292,830,416.63/x - Step 3: Cross multiply
540,349,062.38x = 745,682,343.86 × 292,830,416.63 - Step 4: Simplify right side
540,349,062.38x = 218,358,471,425,958,688 - Step 5: Solve for x
x = 218,358,471,425,958,688/540,349,062.38 - Step 6: Final answer
x = 404,106,320.58
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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.