Finding the Fourth Proportional to 406,724,239.04, 553,770,576.32 and 405,432,837.41
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Solution
The fourth proportional to 406,724,239.04, 553,770,576.32 and 405,432,837.41 is: 552,012,283.70
Step by Step Solution
- Step 1: Write the proportion equation
406,724,239.04 : 553,770,576.32 = 405,432,837.41 : x - Step 2: Convert to fraction form
406,724,239.04/553,770,576.32 = 405,432,837.41/x - Step 3: Cross multiply
406,724,239.04x = 553,770,576.32 × 405,432,837.41 - Step 4: Simplify right side
406,724,239.04x = 224,516,776,026,792,544 - Step 5: Solve for x
x = 224,516,776,026,792,544/406,724,239.04 - Step 6: Final answer
x = 552,012,283.70
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Why These Related Problems?
These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.