Finding the Fourth Proportional to 4,883,328,663.60, 7,324,992,995.40 and 4,692,860,209.20
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Solution
The fourth proportional to 4,883,328,663.60, 7,324,992,995.40 and 4,692,860,209.20 is: 7,039,290,313.80
Step by Step Solution
- Step 1: Write the proportion equation
4,883,328,663.60 : 7,324,992,995.40 = 4,692,860,209.20 : x - Step 2: Convert to fraction form
4,883,328,663.60/7,324,992,995.40 = 4,692,860,209.20/x - Step 3: Cross multiply
4,883,328,663.60x = 7,324,992,995.40 × 4,692,860,209.20 - Step 4: Simplify right side
4,883,328,663.60x = 34,375,168,160,781,373,440 - Step 5: Solve for x
x = 34,375,168,160,781,373,440/4,883,328,663.60 - Step 6: Final answer
x = 7,039,290,313.80
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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.