Finding the Fourth Proportional to 558,813,906.24, 771,128,443.99 and 307,904,256.91
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Solution
The fourth proportional to 558,813,906.24, 771,128,443.99 and 307,904,256.91 is: 424,888,729.28
Step by Step Solution
- Step 1: Write the proportion equation
558,813,906.24 : 771,128,443.99 = 307,904,256.91 : x - Step 2: Convert to fraction form
558,813,906.24/771,128,443.99 = 307,904,256.91/x - Step 3: Cross multiply
558,813,906.24x = 771,128,443.99 × 307,904,256.91 - Step 4: Simplify right side
558,813,906.24x = 237,433,730,524,280,064 - Step 5: Solve for x
x = 237,433,730,524,280,064/558,813,906.24 - Step 6: Final answer
x = 424,888,729.28
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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.