Finding the Fourth Proportional to 671,274,807.06, 926,368,830.99 and 385,212,950.36
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Solution
The fourth proportional to 671,274,807.06, 926,368,830.99 and 385,212,950.36 is: 531,599,378.90
Step by Step Solution
- Step 1: Write the proportion equation
671,274,807.06 : 926,368,830.99 = 385,212,950.36 : x - Step 2: Convert to fraction form
671,274,807.06/926,368,830.99 = 385,212,950.36/x - Step 3: Cross multiply
671,274,807.06x = 926,368,830.99 × 385,212,950.36 - Step 4: Simplify right side
671,274,807.06x = 356,849,270,507,202,112 - Step 5: Solve for x
x = 356,849,270,507,202,112/671,274,807.06 - Step 6: Final answer
x = 531,599,378.90
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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.