Finding the Fourth Proportional to 3,248,086,931.92, 4,482,239,941.74 and 1,762,943,170.96
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Solution
The fourth proportional to 3,248,086,931.92, 4,482,239,941.74 and 1,762,943,170.96 is: 2,432,796,431.11
Step by Step Solution
- Step 1: Write the proportion equation
3,248,086,931.92 : 4,482,239,941.74 = 1,762,943,170.96 : x - Step 2: Convert to fraction form
3,248,086,931.92/4,482,239,941.74 = 1,762,943,170.96/x - Step 3: Cross multiply
3,248,086,931.92x = 4,482,239,941.74 × 1,762,943,170.96 - Step 4: Simplify right side
3,248,086,931.92x = 7,901,934,295,894,680,576 - Step 5: Solve for x
x = 7,901,934,295,894,680,576/3,248,086,931.92 - Step 6: Final answer
x = 2,432,796,431.11
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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.