Finding the Fourth Proportional to 4,875,552,000.20, 7,313,328,000.30 and 4,778,806,118.60
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Solution
The fourth proportional to 4,875,552,000.20, 7,313,328,000.30 and 4,778,806,118.60 is: 7,168,209,177.90
Step by Step Solution
- Step 1: Write the proportion equation
4,875,552,000.20 : 7,313,328,000.30 = 4,778,806,118.60 : x - Step 2: Convert to fraction form
4,875,552,000.20/7,313,328,000.30 = 4,778,806,118.60/x - Step 3: Cross multiply
4,875,552,000.20x = 7,313,328,000.30 × 4,778,806,118.60 - Step 4: Simplify right side
4,875,552,000.20x = 34,948,976,595,162,345,472 - Step 5: Solve for x
x = 34,948,976,595,162,345,472/4,875,552,000.20 - Step 6: Final answer
x = 7,168,209,177.90
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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.