Finding the Fourth Proportional to 2,625,474,642.56, 3,624,270,607.68 and 1,635,888,985.28
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Solution
The fourth proportional to 2,625,474,642.56, 3,624,270,607.68 and 1,635,888,985.28 is: 2,258,221,911.83
Step by Step Solution
- Step 1: Write the proportion equation
2,625,474,642.56 : 3,624,270,607.68 = 1,635,888,985.28 : x - Step 2: Convert to fraction form
2,625,474,642.56/3,624,270,607.68 = 1,635,888,985.28/x - Step 3: Cross multiply
2,625,474,642.56x = 3,624,270,607.68 × 1,635,888,985.28 - Step 4: Simplify right side
2,625,474,642.56x = 5,928,904,366,777,763,840 - Step 5: Solve for x
x = 5,928,904,366,777,763,840/2,625,474,642.56 - Step 6: Final answer
x = 2,258,221,911.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.