Finding the Fourth Proportional to 415,563,604.22, 573,338,525.75 and 239,348,071.82
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Solution
The fourth proportional to 415,563,604.22, 573,338,525.75 and 239,348,071.82 is: 330,220,137.77
Step by Step Solution
- Step 1: Write the proportion equation
415,563,604.22 : 573,338,525.75 = 239,348,071.82 : x - Step 2: Convert to fraction form
415,563,604.22/573,338,525.75 = 239,348,071.82/x - Step 3: Cross multiply
415,563,604.22x = 573,338,525.75 × 239,348,071.82 - Step 4: Simplify right side
415,563,604.22x = 137,227,470,637,641,040 - Step 5: Solve for x
x = 137,227,470,637,641,040/415,563,604.22 - Step 6: Final answer
x = 330,220,137.77
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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.