Finding the Fourth Proportional to 1,457,306,680.79, 2,185,966,394.34 and 461,332,573.34
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Solution
The fourth proportional to 1,457,306,680.79, 2,185,966,394.34 and 461,332,573.34 is: 692,000,877.53
Step by Step Solution
- Step 1: Write the proportion equation
1,457,306,680.79 : 2,185,966,394.34 = 461,332,573.34 : x - Step 2: Convert to fraction form
1,457,306,680.79/2,185,966,394.34 = 461,332,573.34/x - Step 3: Cross multiply
1,457,306,680.79x = 2,185,966,394.34 × 461,332,573.34 - Step 4: Simplify right side
1,457,306,680.79x = 1,008,457,501,941,378,304 - Step 5: Solve for x
x = 1,008,457,501,941,378,304/1,457,306,680.79 - Step 6: Final answer
x = 692,000,877.53
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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.