Finding the Fourth Proportional to 376,582,790.84, 519,670,996.68 and 207,035,794.16
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Solution
The fourth proportional to 376,582,790.84, 519,670,996.68 and 207,035,794.16 is: 285,702,108.85
Step by Step Solution
- Step 1: Write the proportion equation
376,582,790.84 : 519,670,996.68 = 207,035,794.16 : x - Step 2: Convert to fraction form
376,582,790.84/519,670,996.68 = 207,035,794.16/x - Step 3: Cross multiply
376,582,790.84x = 519,670,996.68 × 207,035,794.16 - Step 4: Simplify right side
376,582,790.84x = 107,590,497,499,562,528 - Step 5: Solve for x
x = 107,590,497,499,562,528/376,582,790.84 - Step 6: Final answer
x = 285,702,108.85
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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.