Finding the Fourth Proportional to 4,828,896,125.30, 7,243,344,187.95 and 4,645,230,115.70
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Solution
The fourth proportional to 4,828,896,125.30, 7,243,344,187.95 and 4,645,230,115.70 is: 6,967,845,173.55
Step by Step Solution
- Step 1: Write the proportion equation
4,828,896,125.30 : 7,243,344,187.95 = 4,645,230,115.70 : x - Step 2: Convert to fraction form
4,828,896,125.30/7,243,344,187.95 = 4,645,230,115.70/x - Step 3: Cross multiply
4,828,896,125.30x = 7,243,344,187.95 × 4,645,230,115.70 - Step 4: Simplify right side
4,828,896,125.30x = 33,647,000,560,245,899,264 - Step 5: Solve for x
x = 33,647,000,560,245,899,264/4,828,896,125.30 - Step 6: Final answer
x = 6,967,845,173.55
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Double scale
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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.