Finding the Fourth Proportional to 845,194,276.84, 1,166,193,442 and 487,955,863.08
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Solution
The fourth proportional to 845,194,276.84, 1,166,193,442 and 487,955,863.08 is: 673,278,254.60
Step by Step Solution
- Step 1: Write the proportion equation
845,194,276.84 : 1,166,193,442 = 487,955,863.08 : x - Step 2: Convert to fraction form
845,194,276.84/1,166,193,442 = 487,955,863.08/x - Step 3: Cross multiply
845,194,276.84x = 1,166,193,442 × 487,955,863.08 - Step 4: Simplify right side
845,194,276.84x = 569,050,927,509,345,920 - Step 5: Solve for x
x = 569,050,927,509,345,920/845,194,276.84 - Step 6: Final answer
x = 673,278,254.60
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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.