Finding the Fourth Proportional to 538,273,539.68, 742,817,784.48 and 290,754,896
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Solution
The fourth proportional to 538,273,539.68, 742,817,784.48 and 290,754,896 is: 401,241,918.38
Step by Step Solution
- Step 1: Write the proportion equation
538,273,539.68 : 742,817,784.48 = 290,754,896 : x - Step 2: Convert to fraction form
538,273,539.68/742,817,784.48 = 290,754,896/x - Step 3: Cross multiply
538,273,539.68x = 742,817,784.48 × 290,754,896 - Step 4: Simplify right side
538,273,539.68x = 215,977,907,673,432,832 - Step 5: Solve for x
x = 215,977,907,673,432,832/538,273,539.68 - Step 6: Final answer
x = 401,241,918.38
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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.