Finding the Fourth Proportional to 991,496,754.24, 1,487,191,309.74 and 301,350,199.80
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Solution
The fourth proportional to 991,496,754.24, 1,487,191,309.74 and 301,350,199.80 is: 452,008,941.45
Step by Step Solution
- Step 1: Write the proportion equation
991,496,754.24 : 1,487,191,309.74 = 301,350,199.80 : x - Step 2: Convert to fraction form
991,496,754.24/1,487,191,309.74 = 301,350,199.80/x - Step 3: Cross multiply
991,496,754.24x = 1,487,191,309.74 × 301,350,199.80 - Step 4: Simplify right side
991,496,754.24x = 448,165,398,336,549,632 - Step 5: Solve for x
x = 448,165,398,336,549,632/991,496,754.24 - Step 6: Final answer
x = 452,008,941.45
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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.