Finding the Fourth Proportional to 20,378,249,273,885, 30,571,667,501,950 and 6,608,762,319,984.20
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Solution
The fourth proportional to 20,378,249,273,885, 30,571,667,501,950 and 6,608,762,319,984.20 is: 9,914,535,911,820.98
Step by Step Solution
- Step 1: Write the proportion equation
20,378,249,273,885 : 30,571,667,501,950 = 6,608,762,319,984.20 : x - Step 2: Convert to fraction form
20,378,249,273,885/30,571,667,501,950 = 6,608,762,319,984.20/x - Step 3: Cross multiply
20,378,249,273,885x = 30,571,667,501,950 × 6,608,762,319,984.20 - Step 4: Simplify right side
20,378,249,273,885x = 202,040,884,245,972,666,038,616,064 - Step 5: Solve for x
x = 202,040,884,245,972,666,038,616,064/20,378,249,273,885 - Step 6: Final answer
x = 9,914,535,911,820.98
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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.