Finding the Fourth Proportional to 328,437,837.98, 453,225,775.39 and 179,758,656.12
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Solution
The fourth proportional to 328,437,837.98, 453,225,775.39 and 179,758,656.12 is: 248,056,852.41
Step by Step Solution
- Step 1: Write the proportion equation
328,437,837.98 : 453,225,775.39 = 179,758,656.12 : x - Step 2: Convert to fraction form
328,437,837.98/453,225,775.39 = 179,758,656.12/x - Step 3: Cross multiply
328,437,837.98x = 453,225,775.39 × 179,758,656.12 - Step 4: Simplify right side
328,437,837.98x = 81,471,256,303,051,376 - Step 5: Solve for x
x = 81,471,256,303,051,376/328,437,837.98 - Step 6: Final answer
x = 248,056,852.41
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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.