Finding the Fourth Proportional to 747,151,796.80, 1,120,727,695.20 and 475,725,851.20
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Solution
The fourth proportional to 747,151,796.80, 1,120,727,695.20 and 475,725,851.20 is: 713,588,776.80
Step by Step Solution
- Step 1: Write the proportion equation
747,151,796.80 : 1,120,727,695.20 = 475,725,851.20 : x - Step 2: Convert to fraction form
747,151,796.80/1,120,727,695.20 = 475,725,851.20/x - Step 3: Cross multiply
747,151,796.80x = 1,120,727,695.20 × 475,725,851.20 - Step 4: Simplify right side
747,151,796.80x = 533,159,136,762,434,176 - Step 5: Solve for x
x = 533,159,136,762,434,176/747,151,796.80 - Step 6: Final answer
x = 713,588,776.80
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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.