Finding the Fourth Proportional to 373,329,277.74, 515,117,488.17 and 214,528,728.06
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Solution
The fourth proportional to 373,329,277.74, 515,117,488.17 and 214,528,728.06 is: 296,005,446.47
Step by Step Solution
- Step 1: Write the proportion equation
373,329,277.74 : 515,117,488.17 = 214,528,728.06 : x - Step 2: Convert to fraction form
373,329,277.74/515,117,488.17 = 214,528,728.06/x - Step 3: Cross multiply
373,329,277.74x = 515,117,488.17 × 214,528,728.06 - Step 4: Simplify right side
373,329,277.74x = 110,507,499,538,572,208 - Step 5: Solve for x
x = 110,507,499,538,572,208/373,329,277.74 - Step 6: Final answer
x = 296,005,446.47
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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.