Finding the Fourth Proportional to 3,989,094,756.30, 5,983,642,134.45 and 3,774,817,745.10
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Solution
The fourth proportional to 3,989,094,756.30, 5,983,642,134.45 and 3,774,817,745.10 is: 5,662,226,617.65
Step by Step Solution
- Step 1: Write the proportion equation
3,989,094,756.30 : 5,983,642,134.45 = 3,774,817,745.10 : x - Step 2: Convert to fraction form
3,989,094,756.30/5,983,642,134.45 = 3,774,817,745.10/x - Step 3: Cross multiply
3,989,094,756.30x = 5,983,642,134.45 × 3,774,817,745.10 - Step 4: Simplify right side
3,989,094,756.30x = 22,587,158,509,449,900,032 - Step 5: Solve for x
x = 22,587,158,509,449,900,032/3,989,094,756.30 - Step 6: Final answer
x = 5,662,226,617.65
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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.