Finding the Fourth Proportional to 747,151,480.80, 1,120,727,221.20 and 475,725,535.20
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Solution
The fourth proportional to 747,151,480.80, 1,120,727,221.20 and 475,725,535.20 is: 713,588,302.80
Step by Step Solution
- Step 1: Write the proportion equation
747,151,480.80 : 1,120,727,221.20 = 475,725,535.20 : x - Step 2: Convert to fraction form
747,151,480.80/1,120,727,221.20 = 475,725,535.20/x - Step 3: Cross multiply
747,151,480.80x = 1,120,727,221.20 × 475,725,535.20 - Step 4: Simplify right side
747,151,480.80x = 533,158,557,118,578,816 - Step 5: Solve for x
x = 533,158,557,118,578,816/747,151,480.80 - Step 6: Final answer
x = 713,588,302.80
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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.