Finding the Fourth Proportional to 7,238,341,372.47, 10,858,135,353.75 and 1,997,950,474.95
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Solution
The fourth proportional to 7,238,341,372.47, 10,858,135,353.75 and 1,997,950,474.95 is: 2,997,097,756.34
Step by Step Solution
- Step 1: Write the proportion equation
7,238,341,372.47 : 10,858,135,353.75 = 1,997,950,474.95 : x - Step 2: Convert to fraction form
7,238,341,372.47/10,858,135,353.75 = 1,997,950,474.95/x - Step 3: Cross multiply
7,238,341,372.47x = 10,858,135,353.75 × 1,997,950,474.95 - Step 4: Simplify right side
7,238,341,372.47x = 21,694,016,687,054,938,112 - Step 5: Solve for x
x = 21,694,016,687,054,938,112/7,238,341,372.47 - Step 6: Final answer
x = 2,997,097,756.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.