Finding the Fourth Proportional to 728,367,829.09, 1,092,910,474.53 and 340,134,235.36
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Solution
The fourth proportional to 728,367,829.09, 1,092,910,474.53 and 340,134,235.36 is: 510,368,873.70
Step by Step Solution
- Step 1: Write the proportion equation
728,367,829.09 : 1,092,910,474.53 = 340,134,235.36 : x - Step 2: Convert to fraction form
728,367,829.09/1,092,910,474.53 = 340,134,235.36/x - Step 3: Cross multiply
728,367,829.09x = 1,092,910,474.53 × 340,134,235.36 - Step 4: Simplify right side
728,367,829.09x = 371,736,268,571,196,288 - Step 5: Solve for x
x = 371,736,268,571,196,288/728,367,829.09 - Step 6: Final answer
x = 510,368,873.70
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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.