Finding the Fourth Proportional to 825,937,099.52, 1,239,092,297.18 and 273,238,220.79
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Solution
The fourth proportional to 825,937,099.52, 1,239,092,297.18 and 273,238,220.79 is: 409,919,078.43
Step by Step Solution
- Step 1: Write the proportion equation
825,937,099.52 : 1,239,092,297.18 = 273,238,220.79 : x - Step 2: Convert to fraction form
825,937,099.52/1,239,092,297.18 = 273,238,220.79/x - Step 3: Cross multiply
825,937,099.52x = 1,239,092,297.18 × 273,238,220.79 - Step 4: Simplify right side
825,937,099.52x = 338,567,374,677,186,304 - Step 5: Solve for x
x = 338,567,374,677,186,304/825,937,099.52 - Step 6: Final answer
x = 409,919,078.43
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.