Finding the Fourth Proportional to 348,941,181.74, 481,610,286.74 and 207,895,028.40
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Solution
The fourth proportional to 348,941,181.74, 481,610,286.74 and 207,895,028.40 is: 286,937,711.80
Step by Step Solution
- Step 1: Write the proportion equation
348,941,181.74 : 481,610,286.74 = 207,895,028.40 : x - Step 2: Convert to fraction form
348,941,181.74/481,610,286.74 = 207,895,028.40/x - Step 3: Cross multiply
348,941,181.74x = 481,610,286.74 × 207,895,028.40 - Step 4: Simplify right side
348,941,181.74x = 100,124,384,240,064,192 - Step 5: Solve for x
x = 100,124,384,240,064,192/348,941,181.74 - Step 6: Final answer
x = 286,937,711.80
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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.