Finding the Fourth Proportional to 349,107,900.24, 482,228,776.86 and 258,764,537.10
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Solution
The fourth proportional to 349,107,900.24, 482,228,776.86 and 258,764,537.10 is: 357,435,927.79
Step by Step Solution
- Step 1: Write the proportion equation
349,107,900.24 : 482,228,776.86 = 258,764,537.10 : x - Step 2: Convert to fraction form
349,107,900.24/482,228,776.86 = 258,764,537.10/x - Step 3: Cross multiply
349,107,900.24x = 482,228,776.86 × 258,764,537.10 - Step 4: Simplify right side
349,107,900.24x = 124,783,706,220,477,088 - Step 5: Solve for x
x = 124,783,706,220,477,088/349,107,900.24 - Step 6: Final answer
x = 357,435,927.79
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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.