Finding the Fourth Proportional to 405,011,964.58, 558,887,493.09 and 237,755,015.98
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Solution
The fourth proportional to 405,011,964.58, 558,887,493.09 and 237,755,015.98 is: 328,084,887.54
Step by Step Solution
- Step 1: Write the proportion equation
405,011,964.58 : 558,887,493.09 = 237,755,015.98 : x - Step 2: Convert to fraction form
405,011,964.58/558,887,493.09 = 237,755,015.98/x - Step 3: Cross multiply
405,011,964.58x = 558,887,493.09 × 237,755,015.98 - Step 4: Simplify right side
405,011,964.58x = 132,878,304,850,635,088 - Step 5: Solve for x
x = 132,878,304,850,635,088/405,011,964.58 - Step 6: Final answer
x = 328,084,887.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.