Finding the Fourth Proportional to 466,157,040.12, 643,296,617.82 and 257,313,127.68
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Solution
The fourth proportional to 466,157,040.12, 643,296,617.82 and 257,313,127.68 is: 355,092,062.35
Step by Step Solution
- Step 1: Write the proportion equation
466,157,040.12 : 643,296,617.82 = 257,313,127.68 : x - Step 2: Convert to fraction form
466,157,040.12/643,296,617.82 = 257,313,127.68/x - Step 3: Cross multiply
466,157,040.12x = 643,296,617.82 × 257,313,127.68 - Step 4: Simplify right side
466,157,040.12x = 165,528,664,757,229,856 - Step 5: Solve for x
x = 165,528,664,757,229,856/466,157,040.12 - Step 6: Final answer
x = 355,092,062.35
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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.