Finding the Fourth Proportional to 460,876,235.58, 636,058,493.37 and 282,378,582.48
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Solution
The fourth proportional to 460,876,235.58, 636,058,493.37 and 282,378,582.48 is: 389,712,642.71
Step by Step Solution
- Step 1: Write the proportion equation
460,876,235.58 : 636,058,493.37 = 282,378,582.48 : x - Step 2: Convert to fraction form
460,876,235.58/636,058,493.37 = 282,378,582.48/x - Step 3: Cross multiply
460,876,235.58x = 636,058,493.37 × 282,378,582.48 - Step 4: Simplify right side
460,876,235.58x = 179,609,295,732,185,088 - Step 5: Solve for x
x = 179,609,295,732,185,088/460,876,235.58 - Step 6: Final answer
x = 389,712,642.71
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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.