Finding the Fourth Proportional to 5,490,635,468.27, 7,577,905,198.37 and 3,348,484,900.56
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Solution
The fourth proportional to 5,490,635,468.27, 7,577,905,198.37 and 3,348,484,900.56 is: 4,621,414,275.50
Step by Step Solution
- Step 1: Write the proportion equation
5,490,635,468.27 : 7,577,905,198.37 = 3,348,484,900.56 : x - Step 2: Convert to fraction form
5,490,635,468.27/7,577,905,198.37 = 3,348,484,900.56/x - Step 3: Cross multiply
5,490,635,468.27x = 7,577,905,198.37 × 3,348,484,900.56 - Step 4: Simplify right side
5,490,635,468.27x = 25,374,501,134,600,331,264 - Step 5: Solve for x
x = 25,374,501,134,600,331,264/5,490,635,468.27 - Step 6: Final answer
x = 4,621,414,275.50
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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.