Finding the Fourth Proportional to 629,873,202.10, 944,809,803.15 and 542,197,246.90
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Solution
The fourth proportional to 629,873,202.10, 944,809,803.15 and 542,197,246.90 is: 813,295,870.35
Step by Step Solution
- Step 1: Write the proportion equation
629,873,202.10 : 944,809,803.15 = 542,197,246.90 : x - Step 2: Convert to fraction form
629,873,202.10/944,809,803.15 = 542,197,246.90/x - Step 3: Cross multiply
629,873,202.10x = 944,809,803.15 × 542,197,246.90 - Step 4: Simplify right side
629,873,202.10x = 512,273,274,112,060,928 - Step 5: Solve for x
x = 512,273,274,112,060,928/629,873,202.10 - Step 6: Final answer
x = 813,295,870.35
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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.