Finding the Fourth Proportional to 492,058,974.30, 738,088,461.45 and 396,507,486.30
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Solution
The fourth proportional to 492,058,974.30, 738,088,461.45 and 396,507,486.30 is: 594,761,229.45
Step by Step Solution
- Step 1: Write the proportion equation
492,058,974.30 : 738,088,461.45 = 396,507,486.30 : x - Step 2: Convert to fraction form
492,058,974.30/738,088,461.45 = 396,507,486.30/x - Step 3: Cross multiply
492,058,974.30x = 738,088,461.45 × 396,507,486.30 - Step 4: Simplify right side
492,058,974.30x = 292,657,600,516,573,952 - Step 5: Solve for x
x = 292,657,600,516,573,952/492,058,974.30 - Step 6: Final answer
x = 594,761,229.45
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Similar ratio
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1.5x scale
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.