Finding the Fourth Proportional to 1,032,682,990.32, 1,549,351,942.92 and 368,682,765.12
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Solution
The fourth proportional to 1,032,682,990.32, 1,549,351,942.92 and 368,682,765.12 is: 553,141,054.72
Step by Step Solution
- Step 1: Write the proportion equation
1,032,682,990.32 : 1,549,351,942.92 = 368,682,765.12 : x - Step 2: Convert to fraction form
1,032,682,990.32/1,549,351,942.92 = 368,682,765.12/x - Step 3: Cross multiply
1,032,682,990.32x = 1,549,351,942.92 × 368,682,765.12 - Step 4: Simplify right side
1,032,682,990.32x = 571,219,358,459,790,016 - Step 5: Solve for x
x = 571,219,358,459,790,016/1,032,682,990.32 - Step 6: Final answer
x = 553,141,054.72
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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.