Finding the Fourth Proportional to 4,727,808,121.20, 7,091,712,181.80 and 4,663,310,866.80
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Solution
The fourth proportional to 4,727,808,121.20, 7,091,712,181.80 and 4,663,310,866.80 is: 6,994,966,300.20
Step by Step Solution
- Step 1: Write the proportion equation
4,727,808,121.20 : 7,091,712,181.80 = 4,663,310,866.80 : x - Step 2: Convert to fraction form
4,727,808,121.20/7,091,712,181.80 = 4,663,310,866.80/x - Step 3: Cross multiply
4,727,808,121.20x = 7,091,712,181.80 × 4,663,310,866.80 - Step 4: Simplify right side
4,727,808,121.20x = 33,070,858,481,605,877,760 - Step 5: Solve for x
x = 33,070,858,481,605,877,760/4,727,808,121.20 - Step 6: Final answer
x = 6,994,966,300.20
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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.