Finding the Fourth Proportional to 531,442,370.10, 797,163,555.15 and 446,789,723.70
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Solution
The fourth proportional to 531,442,370.10, 797,163,555.15 and 446,789,723.70 is: 670,184,585.55
Step by Step Solution
- Step 1: Write the proportion equation
531,442,370.10 : 797,163,555.15 = 446,789,723.70 : x - Step 2: Convert to fraction form
531,442,370.10/797,163,555.15 = 446,789,723.70/x - Step 3: Cross multiply
531,442,370.10x = 797,163,555.15 × 446,789,723.70 - Step 4: Simplify right side
531,442,370.10x = 356,164,484,549,178,176 - Step 5: Solve for x
x = 356,164,484,549,178,176/531,442,370.10 - Step 6: Final answer
x = 670,184,585.55
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Double scale
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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.