Finding the Fourth Proportional to 3,248,376,523.70, 4,872,564,785.55 and 794,713,426.70
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Solution
The fourth proportional to 3,248,376,523.70, 4,872,564,785.55 and 794,713,426.70 is: 1,192,070,140.05
Step by Step Solution
- Step 1: Write the proportion equation
3,248,376,523.70 : 4,872,564,785.55 = 794,713,426.70 : x - Step 2: Convert to fraction form
3,248,376,523.70/4,872,564,785.55 = 794,713,426.70/x - Step 3: Cross multiply
3,248,376,523.70x = 4,872,564,785.55 × 794,713,426.70 - Step 4: Simplify right side
3,248,376,523.70x = 3,872,292,657,542,191,616 - Step 5: Solve for x
x = 3,872,292,657,542,191,616/3,248,376,523.70 - Step 6: Final answer
x = 1,192,070,140.05
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1.5x scale
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.