Finding the Fourth Proportional to 5,897,493,744.12, 8,138,493,000.63 and 3,221,275,630.32
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Solution
The fourth proportional to 5,897,493,744.12, 8,138,493,000.63 and 3,221,275,630.32 is: 4,445,333,951.66
Step by Step Solution
- Step 1: Write the proportion equation
5,897,493,744.12 : 8,138,493,000.63 = 3,221,275,630.32 : x - Step 2: Convert to fraction form
5,897,493,744.12/8,138,493,000.63 = 3,221,275,630.32/x - Step 3: Cross multiply
5,897,493,744.12x = 8,138,493,000.63 × 3,221,275,630.32 - Step 4: Simplify right side
5,897,493,744.12x = 26,216,329,170,459,312,128 - Step 5: Solve for x
x = 26,216,329,170,459,312,128/5,897,493,744.12 - Step 6: Final answer
x = 4,445,333,951.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.