Finding the Fourth Proportional to 349,771,159.28, 482,726,756.76 and 203,093,438.96
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Solution
The fourth proportional to 349,771,159.28, 482,726,756.76 and 203,093,438.96 is: 280,293,656.32
Step by Step Solution
- Step 1: Write the proportion equation
349,771,159.28 : 482,726,756.76 = 203,093,438.96 : x - Step 2: Convert to fraction form
349,771,159.28/482,726,756.76 = 203,093,438.96/x - Step 3: Cross multiply
349,771,159.28x = 482,726,756.76 × 203,093,438.96 - Step 4: Simplify right side
349,771,159.28x = 98,038,637,108,395,824 - Step 5: Solve for x
x = 98,038,637,108,395,824/349,771,159.28 - Step 6: Final answer
x = 280,293,656.32
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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.