Finding the Fourth Proportional to 651,376,716.65, 976,828,550.82 and 356,489,775.02
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Solution
The fourth proportional to 651,376,716.65, 976,828,550.82 and 356,489,775.02 is: 534,605,216.02
Step by Step Solution
- Step 1: Write the proportion equation
651,376,716.65 : 976,828,550.82 = 356,489,775.02 : x - Step 2: Convert to fraction form
651,376,716.65/976,828,550.82 = 356,489,775.02/x - Step 3: Cross multiply
651,376,716.65x = 976,828,550.82 × 356,489,775.02 - Step 4: Simplify right side
651,376,716.65x = 348,229,390,314,934,464 - Step 5: Solve for x
x = 348,229,390,314,934,464/651,376,716.65 - Step 6: Final answer
x = 534,605,216.02
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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.