Finding the Fourth Proportional to 2,165,411,955.08, 3,247,597,858.24 and 999,760,484.99
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Solution
The fourth proportional to 2,165,411,955.08, 3,247,597,858.24 and 999,760,484.99 is: 1,499,400,611.60
Step by Step Solution
- Step 1: Write the proportion equation
2,165,411,955.08 : 3,247,597,858.24 = 999,760,484.99 : x - Step 2: Convert to fraction form
2,165,411,955.08/3,247,597,858.24 = 999,760,484.99/x - Step 3: Cross multiply
2,165,411,955.08x = 3,247,597,858.24 × 999,760,484.99 - Step 4: Simplify right side
2,165,411,955.08x = 3,246,820,009,806,507,520 - Step 5: Solve for x
x = 3,246,820,009,806,507,520/2,165,411,955.08 - Step 6: Final answer
x = 1,499,400,611.60
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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.