Finding the Fourth Proportional to 351,190,649.70, 484,603,992.83 and 194,518,521.39
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Solution
The fourth proportional to 351,190,649.70, 484,603,992.83 and 194,518,521.39 is: 268,413,900.61
Step by Step Solution
- Step 1: Write the proportion equation
351,190,649.70 : 484,603,992.83 = 194,518,521.39 : x - Step 2: Convert to fraction form
351,190,649.70/484,603,992.83 = 194,518,521.39/x - Step 3: Cross multiply
351,190,649.70x = 484,603,992.83 × 194,518,521.39 - Step 4: Simplify right side
351,190,649.70x = 94,264,452,144,009,152 - Step 5: Solve for x
x = 94,264,452,144,009,152/351,190,649.70 - Step 6: Final answer
x = 268,413,900.61
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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.