Finding the Fourth Proportional to 5,517,792,148.70, 8,276,688,223.05 and 4,919,177,006.30
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Solution
The fourth proportional to 5,517,792,148.70, 8,276,688,223.05 and 4,919,177,006.30 is: 7,378,765,509.45
Step by Step Solution
- Step 1: Write the proportion equation
5,517,792,148.70 : 8,276,688,223.05 = 4,919,177,006.30 : x - Step 2: Convert to fraction form
5,517,792,148.70/8,276,688,223.05 = 4,919,177,006.30/x - Step 3: Cross multiply
5,517,792,148.70x = 8,276,688,223.05 × 4,919,177,006.30 - Step 4: Simplify right side
5,517,792,148.70x = 40,714,494,395,141,570,560 - Step 5: Solve for x
x = 40,714,494,395,141,570,560/5,517,792,148.70 - Step 6: Final answer
x = 7,378,765,509.45
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1.5x scale
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.