Finding the Fourth Proportional to 403,594,910.62, 556,960,983.63 and 217,955,926.31
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Solution
The fourth proportional to 403,594,910.62, 556,960,983.63 and 217,955,926.31 is: 300,779,182.07
Step by Step Solution
- Step 1: Write the proportion equation
403,594,910.62 : 556,960,983.63 = 217,955,926.31 : x - Step 2: Convert to fraction form
403,594,910.62/556,960,983.63 = 217,955,926.31/x - Step 3: Cross multiply
403,594,910.62x = 556,960,983.63 × 217,955,926.31 - Step 4: Simplify right side
403,594,910.62x = 121,392,947,102,003,264 - Step 5: Solve for x
x = 121,392,947,102,003,264/403,594,910.62 - Step 6: Final answer
x = 300,779,182.07
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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.