Finding the Fourth Proportional to 829,921,674.65, 1,145,293,027.04 and 477,490,596.79
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Solution
The fourth proportional to 829,921,674.65, 1,145,293,027.04 and 477,490,596.79 is: 658,937,665.66
Step by Step Solution
- Step 1: Write the proportion equation
829,921,674.65 : 1,145,293,027.04 = 477,490,596.79 : x - Step 2: Convert to fraction form
829,921,674.65/1,145,293,027.04 = 477,490,596.79/x - Step 3: Cross multiply
829,921,674.65x = 1,145,293,027.04 × 477,490,596.79 - Step 4: Simplify right side
829,921,674.65x = 546,866,650,975,118,080 - Step 5: Solve for x
x = 546,866,650,975,118,080/829,921,674.65 - Step 6: Final answer
x = 658,937,665.66
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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.