Finding the Fourth Proportional to 353,256,923.24, 487,411,163.30 and 296,955,724.72
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Solution
The fourth proportional to 353,256,923.24, 487,411,163.30 and 296,955,724.72 is: 409,728,799.95
Step by Step Solution
- Step 1: Write the proportion equation
353,256,923.24 : 487,411,163.30 = 296,955,724.72 : x - Step 2: Convert to fraction form
353,256,923.24/487,411,163.30 = 296,955,724.72/x - Step 3: Cross multiply
353,256,923.24x = 487,411,163.30 × 296,955,724.72 - Step 4: Simplify right side
353,256,923.24x = 144,739,535,234,369,792 - Step 5: Solve for x
x = 144,739,535,234,369,792/353,256,923.24 - Step 6: Final answer
x = 409,728,799.95
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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.