Finding the Fourth Proportional to 4,221,072,101.80, 6,331,608,152.70 and 3,119,076,044.20
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Solution
The fourth proportional to 4,221,072,101.80, 6,331,608,152.70 and 3,119,076,044.20 is: 4,678,614,066.30
Step by Step Solution
- Step 1: Write the proportion equation
4,221,072,101.80 : 6,331,608,152.70 = 3,119,076,044.20 : x - Step 2: Convert to fraction form
4,221,072,101.80/6,331,608,152.70 = 3,119,076,044.20/x - Step 3: Cross multiply
4,221,072,101.80x = 6,331,608,152.70 × 3,119,076,044.20 - Step 4: Simplify right side
4,221,072,101.80x = 19,748,767,310,347,984,896 - Step 5: Solve for x
x = 19,748,767,310,347,984,896/4,221,072,101.80 - Step 6: Final answer
x = 4,678,614,066.30
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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.