Finding the Fourth Proportional to 4,755,765,540.48, 7,130,822,619.12 and 1,808,260,697.28
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Solution
The fourth proportional to 4,755,765,540.48, 7,130,822,619.12 and 1,808,260,697.28 is: 2,711,316,647.48
Step by Step Solution
- Step 1: Write the proportion equation
4,755,765,540.48 : 7,130,822,619.12 = 1,808,260,697.28 : x - Step 2: Convert to fraction form
4,755,765,540.48/7,130,822,619.12 = 1,808,260,697.28/x - Step 3: Cross multiply
4,755,765,540.48x = 7,130,822,619.12 × 1,808,260,697.28 - Step 4: Simplify right side
4,755,765,540.48x = 12,894,386,281,429,925,888 - Step 5: Solve for x
x = 12,894,386,281,429,925,888/4,755,765,540.48 - Step 6: Final answer
x = 2,711,316,647.48
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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.