Finding the Fourth Proportional to 4,752,433,562.20, 7,128,331,478.70 and 1,258,764,047.80
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Solution
The fourth proportional to 4,752,433,562.20, 7,128,331,478.70 and 1,258,764,047.80 is: 1,888,061,614.91
Step by Step Solution
- Step 1: Write the proportion equation
4,752,433,562.20 : 7,128,331,478.70 = 1,258,764,047.80 : x - Step 2: Convert to fraction form
4,752,433,562.20/7,128,331,478.70 = 1,258,764,047.80/x - Step 3: Cross multiply
4,752,433,562.20x = 7,128,331,478.70 × 1,258,764,047.80 - Step 4: Simplify right side
4,752,433,562.20x = 8,972,887,386,188,570,624 - Step 5: Solve for x
x = 8,972,887,386,188,570,624/4,752,433,562.20 - Step 6: Final answer
x = 1,888,061,614.91
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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.