Finding the Fourth Proportional to 372,843,055.08, 514,743,876.74 and 331,475,490.12
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Solution
The fourth proportional to 372,843,055.08, 514,743,876.74 and 331,475,490.12 is: 457,632,176.61
Step by Step Solution
- Step 1: Write the proportion equation
372,843,055.08 : 514,743,876.74 = 331,475,490.12 : x - Step 2: Convert to fraction form
372,843,055.08/514,743,876.74 = 331,475,490.12/x - Step 3: Cross multiply
372,843,055.08x = 514,743,876.74 × 331,475,490.12 - Step 4: Simplify right side
372,843,055.08x = 170,624,978,828,660,384 - Step 5: Solve for x
x = 170,624,978,828,660,384/372,843,055.08 - Step 6: Final answer
x = 457,632,176.61
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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.