Finding the Fourth Proportional to 3,248,376,502.20, 4,872,564,753.30 and 794,713,405.20
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Solution
The fourth proportional to 3,248,376,502.20, 4,872,564,753.30 and 794,713,405.20 is: 1,192,070,107.80
Step by Step Solution
- Step 1: Write the proportion equation
3,248,376,502.20 : 4,872,564,753.30 = 794,713,405.20 : x - Step 2: Convert to fraction form
3,248,376,502.20/4,872,564,753.30 = 794,713,405.20/x - Step 3: Cross multiply
3,248,376,502.20x = 4,872,564,753.30 × 794,713,405.20 - Step 4: Simplify right side
3,248,376,502.20x = 3,872,292,527,152,541,184 - Step 5: Solve for x
x = 3,872,292,527,152,541,184/3,248,376,502.20 - Step 6: Final answer
x = 1,192,070,107.80
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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.