Finding the Fourth Proportional to 2,017,598,789.42, 2,784,278,598.57 and 1,125,524,805.46
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Solution
The fourth proportional to 2,017,598,789.42, 2,784,278,598.57 and 1,125,524,805.46 is: 1,553,219,918.86
Step by Step Solution
- Step 1: Write the proportion equation
2,017,598,789.42 : 2,784,278,598.57 = 1,125,524,805.46 : x - Step 2: Convert to fraction form
2,017,598,789.42/2,784,278,598.57 = 1,125,524,805.46/x - Step 3: Cross multiply
2,017,598,789.42x = 2,784,278,598.57 × 1,125,524,805.46 - Step 4: Simplify right side
2,017,598,789.42x = 3,133,774,627,988,019,200 - Step 5: Solve for x
x = 3,133,774,627,988,019,200/2,017,598,789.42 - Step 6: Final answer
x = 1,553,219,918.86
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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.