Finding the Fourth Proportional to 708,589,029.80, 1,062,883,544.70 and 402,479,013.80
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Solution
The fourth proportional to 708,589,029.80, 1,062,883,544.70 and 402,479,013.80 is: 603,718,520.70
Step by Step Solution
- Step 1: Write the proportion equation
708,589,029.80 : 1,062,883,544.70 = 402,479,013.80 : x - Step 2: Convert to fraction form
708,589,029.80/1,062,883,544.70 = 402,479,013.80/x - Step 3: Cross multiply
708,589,029.80x = 1,062,883,544.70 × 402,479,013.80 - Step 4: Simplify right side
708,589,029.80x = 427,788,320,855,104,256 - Step 5: Solve for x
x = 427,788,320,855,104,256/708,589,029.80 - Step 6: Final answer
x = 603,718,520.70
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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.