Finding the Fourth Proportional to 2,126,251,378.60, 3,189,377,067.90 and 573,539,698.60
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Solution
The fourth proportional to 2,126,251,378.60, 3,189,377,067.90 and 573,539,698.60 is: 860,309,547.90
Step by Step Solution
- Step 1: Write the proportion equation
2,126,251,378.60 : 3,189,377,067.90 = 573,539,698.60 : x - Step 2: Convert to fraction form
2,126,251,378.60/3,189,377,067.90 = 573,539,698.60/x - Step 3: Cross multiply
2,126,251,378.60x = 3,189,377,067.90 × 573,539,698.60 - Step 4: Simplify right side
2,126,251,378.60x = 1,829,234,362,245,117,952 - Step 5: Solve for x
x = 1,829,234,362,245,117,952/2,126,251,378.60 - Step 6: Final answer
x = 860,309,547.90
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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.