Finding the Fourth Proportional to 323,627,507.83, 446,727,411.88 and 212,125,534.23
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Solution
The fourth proportional to 323,627,507.83, 446,727,411.88 and 212,125,534.23 is: 292,812,843.80
Step by Step Solution
- Step 1: Write the proportion equation
323,627,507.83 : 446,727,411.88 = 212,125,534.23 : x - Step 2: Convert to fraction form
323,627,507.83/446,727,411.88 = 212,125,534.23/x - Step 3: Cross multiply
323,627,507.83x = 446,727,411.88 × 212,125,534.23 - Step 4: Simplify right side
323,627,507.83x = 94,762,290,896,935,984 - Step 5: Solve for x
x = 94,762,290,896,935,984/323,627,507.83 - Step 6: Final answer
x = 292,812,843.80
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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.