Finding the Fourth Proportional to 4,221,011,999.80, 6,331,517,999.70 and 2,044,229,663.80
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Solution
The fourth proportional to 4,221,011,999.80, 6,331,517,999.70 and 2,044,229,663.80 is: 3,066,344,495.70
Step by Step Solution
- Step 1: Write the proportion equation
4,221,011,999.80 : 6,331,517,999.70 = 2,044,229,663.80 : x - Step 2: Convert to fraction form
4,221,011,999.80/6,331,517,999.70 = 2,044,229,663.80/x - Step 3: Cross multiply
4,221,011,999.80x = 6,331,517,999.70 × 2,044,229,663.80 - Step 4: Simplify right side
4,221,011,999.80x = 12,943,076,911,870,377,984 - Step 5: Solve for x
x = 12,943,076,911,870,377,984/4,221,011,999.80 - Step 6: Final answer
x = 3,066,344,495.70
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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.