Finding the Fourth Proportional to 798,757,490.52, 1,102,264,190.35 and 446,336,377.18
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Solution
The fourth proportional to 798,757,490.52, 1,102,264,190.35 and 446,336,377.18 is: 615,932,384.05
Step by Step Solution
- Step 1: Write the proportion equation
798,757,490.52 : 1,102,264,190.35 = 446,336,377.18 : x - Step 2: Convert to fraction form
798,757,490.52/1,102,264,190.35 = 446,336,377.18/x - Step 3: Cross multiply
798,757,490.52x = 1,102,264,190.35 × 446,336,377.18 - Step 4: Simplify right side
798,757,490.52x = 491,980,605,412,193,472 - Step 5: Solve for x
x = 491,980,605,412,193,472/798,757,490.52 - Step 6: Final answer
x = 615,932,384.05
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1.5x scale
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.