Finding the Fourth Proportional to 1,010,227,345.66, 1,383,988,304.02 and 972,457,698.70
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Solution
The fourth proportional to 1,010,227,345.66, 1,383,988,304.02 and 972,457,698.70 is: 1,332,244,753.55
Step by Step Solution
- Step 1: Write the proportion equation
1,010,227,345.66 : 1,383,988,304.02 = 972,457,698.70 : x - Step 2: Convert to fraction form
1,010,227,345.66/1,383,988,304.02 = 972,457,698.70/x - Step 3: Cross multiply
1,010,227,345.66x = 1,383,988,304.02 × 972,457,698.70 - Step 4: Simplify right side
1,010,227,345.66x = 1,345,870,081,150,142,976 - Step 5: Solve for x
x = 1,345,870,081,150,142,976/1,010,227,345.66 - Step 6: Final answer
x = 1,332,244,753.55
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.