Finding the Fourth Proportional to 370,706,131.68, 511,574,462.90 and 205,720,251.36
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Solution
The fourth proportional to 370,706,131.68, 511,574,462.90 and 205,720,251.36 is: 283,893,947.53
Step by Step Solution
- Step 1: Write the proportion equation
370,706,131.68 : 511,574,462.90 = 205,720,251.36 : x - Step 2: Convert to fraction form
370,706,131.68/511,574,462.90 = 205,720,251.36/x - Step 3: Cross multiply
370,706,131.68x = 511,574,462.90 × 205,720,251.36 - Step 4: Simplify right side
370,706,131.68x = 105,241,227,097,144,992 - Step 5: Solve for x
x = 105,241,227,097,144,992/370,706,131.68 - Step 6: Final answer
x = 283,893,947.53
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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.