Finding the Fourth Proportional to 2,564,582,666.40, 3,846,873,999.60 and 2,421,731,325.60
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Solution
The fourth proportional to 2,564,582,666.40, 3,846,873,999.60 and 2,421,731,325.60 is: 3,632,596,988.40
Step by Step Solution
- Step 1: Write the proportion equation
2,564,582,666.40 : 3,846,873,999.60 = 2,421,731,325.60 : x - Step 2: Convert to fraction form
2,564,582,666.40/3,846,873,999.60 = 2,421,731,325.60/x - Step 3: Cross multiply
2,564,582,666.40x = 3,846,873,999.60 × 2,421,731,325.60 - Step 4: Simplify right side
2,564,582,666.40x = 9,316,095,270,467,481,600 - Step 5: Solve for x
x = 9,316,095,270,467,481,600/2,564,582,666.40 - Step 6: Final answer
x = 3,632,596,988.40
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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.