Finding the Fourth Proportional to 558,813,900.24, 771,128,435.64 and 307,904,250.90
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Solution
The fourth proportional to 558,813,900.24, 771,128,435.64 and 307,904,250.90 is: 424,888,720.95
Step by Step Solution
- Step 1: Write the proportion equation
558,813,900.24 : 771,128,435.64 = 307,904,250.90 : x - Step 2: Convert to fraction form
558,813,900.24/771,128,435.64 = 307,904,250.90/x - Step 3: Cross multiply
558,813,900.24x = 771,128,435.64 × 307,904,250.90 - Step 4: Simplify right side
558,813,900.24x = 237,433,723,323,423,040 - Step 5: Solve for x
x = 237,433,723,323,423,040/558,813,900.24 - Step 6: Final answer
x = 424,888,720.95
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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.