Finding the Fourth Proportional to 4,887,388,970.64, 6,744,818,871.18 and 2,880,308,814.48
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Solution
The fourth proportional to 4,887,388,970.64, 6,744,818,871.18 and 2,880,308,814.48 is: 3,974,957,050.37
Step by Step Solution
- Step 1: Write the proportion equation
4,887,388,970.64 : 6,744,818,871.18 = 2,880,308,814.48 : x - Step 2: Convert to fraction form
4,887,388,970.64/6,744,818,871.18 = 2,880,308,814.48/x - Step 3: Cross multiply
4,887,388,970.64x = 6,744,818,871.18 × 2,880,308,814.48 - Step 4: Simplify right side
4,887,388,970.64x = 19,427,161,246,730,797,056 - Step 5: Solve for x
x = 19,427,161,246,730,797,056/4,887,388,970.64 - Step 6: Final answer
x = 3,974,957,050.37
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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.