Finding the Fourth Proportional to 414,991,421.97, 572,952,285.09 and 258,588,301.65
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Solution
The fourth proportional to 414,991,421.97, 572,952,285.09 and 258,588,301.65 is: 357,016,435.72
Step by Step Solution
- Step 1: Write the proportion equation
414,991,421.97 : 572,952,285.09 = 258,588,301.65 : x - Step 2: Convert to fraction form
414,991,421.97/572,952,285.09 = 258,588,301.65/x - Step 3: Cross multiply
414,991,421.97x = 572,952,285.09 × 258,588,301.65 - Step 4: Simplify right side
414,991,421.97x = 148,158,758,327,909,728 - Step 5: Solve for x
x = 148,158,758,327,909,728/414,991,421.97 - Step 6: Final answer
x = 357,016,435.72
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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.