Finding the Fourth Proportional to 1,485,145,401.99, 2,047,452,738.43 and 1,184,750,281.40
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Solution
The fourth proportional to 1,485,145,401.99, 2,047,452,738.43 and 1,184,750,281.40 is: 1,633,321,696.83
Step by Step Solution
- Step 1: Write the proportion equation
1,485,145,401.99 : 2,047,452,738.43 = 1,184,750,281.40 : x - Step 2: Convert to fraction form
1,485,145,401.99/2,047,452,738.43 = 1,184,750,281.40/x - Step 3: Cross multiply
1,485,145,401.99x = 2,047,452,738.43 × 1,184,750,281.40 - Step 4: Simplify right side
1,485,145,401.99x = 2,425,720,208,005,224,960 - Step 5: Solve for x
x = 2,425,720,208,005,224,960/1,485,145,401.99 - Step 6: Final answer
x = 1,633,321,696.83
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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.