Finding the Fourth Proportional to 400,546,620.14, 552,578,257.47 and 241,688,133.74
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Solution
The fourth proportional to 400,546,620.14, 552,578,257.47 and 241,688,133.74 is: 333,423,379.65
Step by Step Solution
- Step 1: Write the proportion equation
400,546,620.14 : 552,578,257.47 = 241,688,133.74 : x - Step 2: Convert to fraction form
400,546,620.14/552,578,257.47 = 241,688,133.74/x - Step 3: Cross multiply
400,546,620.14x = 552,578,257.47 × 241,688,133.74 - Step 4: Simplify right side
400,546,620.14x = 133,551,607,793,225,520 - Step 5: Solve for x
x = 133,551,607,793,225,520/400,546,620.14 - Step 6: Final answer
x = 333,423,379.65
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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.