Finding the Fourth Proportional to 293,417,273.70, 440,125,910.56 and 207,323,831.70
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Solution
The fourth proportional to 293,417,273.70, 440,125,910.56 and 207,323,831.70 is: 310,985,747.56
Step by Step Solution
- Step 1: Write the proportion equation
293,417,273.70 : 440,125,910.56 = 207,323,831.70 : x - Step 2: Convert to fraction form
293,417,273.70/440,125,910.56 = 207,323,831.70/x - Step 3: Cross multiply
293,417,273.70x = 440,125,910.56 × 207,323,831.70 - Step 4: Simplify right side
293,417,273.70x = 91,248,590,207,750,688 - Step 5: Solve for x
x = 91,248,590,207,750,688/293,417,273.70 - Step 6: Final answer
x = 310,985,747.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.