Finding the Fourth Proportional to 508,904,153.84, 762,649,995.12 and 231,878,353.64
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Solution
The fourth proportional to 508,904,153.84, 762,649,995.12 and 231,878,353.64 is: 347,495,739.50
Step by Step Solution
- Step 1: Write the proportion equation
508,904,153.84 : 762,649,995.12 = 231,878,353.64 : x - Step 2: Convert to fraction form
508,904,153.84/762,649,995.12 = 231,878,353.64/x - Step 3: Cross multiply
508,904,153.84x = 762,649,995.12 × 231,878,353.64 - Step 4: Simplify right side
508,904,153.84x = 176,842,025,271,979,616 - Step 5: Solve for x
x = 176,842,025,271,979,616/508,904,153.84 - Step 6: Final answer
x = 347,495,739.50
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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.