Finding the Fourth Proportional to 1,264,289,401.70, 1,896,434,102.55 and 537,183,635.30
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Solution
The fourth proportional to 1,264,289,401.70, 1,896,434,102.55 and 537,183,635.30 is: 805,775,452.95
Step by Step Solution
- Step 1: Write the proportion equation
1,264,289,401.70 : 1,896,434,102.55 = 537,183,635.30 : x - Step 2: Convert to fraction form
1,264,289,401.70/1,896,434,102.55 = 537,183,635.30/x - Step 3: Cross multiply
1,264,289,401.70x = 1,896,434,102.55 × 537,183,635.30 - Step 4: Simplify right side
1,264,289,401.70x = 1,018,733,365,314,701,824 - Step 5: Solve for x
x = 1,018,733,365,314,701,824/1,264,289,401.70 - Step 6: Final answer
x = 805,775,452.95
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1.5x scale
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.