Finding the Fourth Proportional to 589,714,553.80, 884,571,830.70 and 395,718,905.80
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Solution
The fourth proportional to 589,714,553.80, 884,571,830.70 and 395,718,905.80 is: 593,578,358.70
Step by Step Solution
- Step 1: Write the proportion equation
589,714,553.80 : 884,571,830.70 = 395,718,905.80 : x - Step 2: Convert to fraction form
589,714,553.80/884,571,830.70 = 395,718,905.80/x - Step 3: Cross multiply
589,714,553.80x = 884,571,830.70 × 395,718,905.80 - Step 4: Simplify right side
589,714,553.80x = 350,041,796,946,106,880 - Step 5: Solve for x
x = 350,041,796,946,106,880/589,714,553.80 - Step 6: Final answer
x = 593,578,358.70
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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.