Finding the Fourth Proportional to 4,752,433,562.70, 7,128,331,479.45 and 1,258,764,048.30
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Solution
The fourth proportional to 4,752,433,562.70, 7,128,331,479.45 and 1,258,764,048.30 is: 1,888,061,615.66
Step by Step Solution
- Step 1: Write the proportion equation
4,752,433,562.70 : 7,128,331,479.45 = 1,258,764,048.30 : x - Step 2: Convert to fraction form
4,752,433,562.70/7,128,331,479.45 = 1,258,764,048.30/x - Step 3: Cross multiply
4,752,433,562.70x = 7,128,331,479.45 × 1,258,764,048.30 - Step 4: Simplify right side
4,752,433,562.70x = 8,972,887,390,696,809,472 - Step 5: Solve for x
x = 8,972,887,390,696,809,472/4,752,433,562.70 - Step 6: Final answer
x = 1,888,061,615.66
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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.