Finding the Fourth Proportional to 587,189,777.18, 809,569,671.74 and 480,951,818.05
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Solution
The fourth proportional to 587,189,777.18, 809,569,671.74 and 480,951,818.05 is: 663,097,384.50
Step by Step Solution
- Step 1: Write the proportion equation
587,189,777.18 : 809,569,671.74 = 480,951,818.05 : x - Step 2: Convert to fraction form
587,189,777.18/809,569,671.74 = 480,951,818.05/x - Step 3: Cross multiply
587,189,777.18x = 809,569,671.74 × 480,951,818.05 - Step 4: Simplify right side
587,189,777.18x = 389,364,005,455,042,112 - Step 5: Solve for x
x = 389,364,005,455,042,112/587,189,777.18 - Step 6: Final answer
x = 663,097,384.50
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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.