Finding the Fourth Proportional to 619,895,846.16, 855,456,219.84 and 341,437,369.68
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Solution
The fourth proportional to 619,895,846.16, 855,456,219.84 and 341,437,369.68 is: 471,183,543.80
Step by Step Solution
- Step 1: Write the proportion equation
619,895,846.16 : 855,456,219.84 = 341,437,369.68 : x - Step 2: Convert to fraction form
619,895,846.16/855,456,219.84 = 341,437,369.68/x - Step 3: Cross multiply
619,895,846.16x = 855,456,219.84 × 341,437,369.68 - Step 4: Simplify right side
619,895,846.16x = 292,084,721,578,565,440 - Step 5: Solve for x
x = 292,084,721,578,565,440/619,895,846.16 - Step 6: Final answer
x = 471,183,543.80
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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.