Finding the Fourth Proportional to 353,256,923.74, 487,411,163.99 and 296,955,725.22
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Solution
The fourth proportional to 353,256,923.74, 487,411,163.99 and 296,955,725.22 is: 409,728,800.64
Step by Step Solution
- Step 1: Write the proportion equation
353,256,923.74 : 487,411,163.99 = 296,955,725.22 : x - Step 2: Convert to fraction form
353,256,923.74/487,411,163.99 = 296,955,725.22/x - Step 3: Cross multiply
353,256,923.74x = 487,411,163.99 × 296,955,725.22 - Step 4: Simplify right side
353,256,923.74x = 144,739,535,682,974,816 - Step 5: Solve for x
x = 144,739,535,682,974,816/353,256,923.74 - Step 6: Final answer
x = 409,728,800.64
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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.