Finding the Fourth Proportional to 4,130,985,641.88, 6,197,694,196.50 and 1,332,901,694.55
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Solution
The fourth proportional to 4,130,985,641.88, 6,197,694,196.50 and 1,332,901,694.55 is: 1,999,744,809.83
Step by Step Solution
- Step 1: Write the proportion equation
4,130,985,641.88 : 6,197,694,196.50 = 1,332,901,694.55 : x - Step 2: Convert to fraction form
4,130,985,641.88/6,197,694,196.50 = 1,332,901,694.55/x - Step 3: Cross multiply
4,130,985,641.88x = 6,197,694,196.50 × 1,332,901,694.55 - Step 4: Simplify right side
4,130,985,641.88x = 8,260,917,096,817,550,336 - Step 5: Solve for x
x = 8,260,917,096,817,550,336/4,130,985,641.88 - Step 6: Final answer
x = 1,999,744,809.83
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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.