Finding the Fourth Proportional to 539,366,863.80, 809,050,295.70 and 233,256,847.80
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Solution
The fourth proportional to 539,366,863.80, 809,050,295.70 and 233,256,847.80 is: 349,885,271.70
Step by Step Solution
- Step 1: Write the proportion equation
539,366,863.80 : 809,050,295.70 = 233,256,847.80 : x - Step 2: Convert to fraction form
539,366,863.80/809,050,295.70 = 233,256,847.80/x - Step 3: Cross multiply
539,366,863.80x = 809,050,295.70 × 233,256,847.80 - Step 4: Simplify right side
539,366,863.80x = 188,716,521,686,639,904 - Step 5: Solve for x
x = 188,716,521,686,639,904/539,366,863.80 - Step 6: Final answer
x = 349,885,271.70
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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.