Finding the Fourth Proportional to 2,472,201,600.80, 3,708,302,401.20 and 836,426,202.80
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Solution
The fourth proportional to 2,472,201,600.80, 3,708,302,401.20 and 836,426,202.80 is: 1,254,639,304.20
Step by Step Solution
- Step 1: Write the proportion equation
2,472,201,600.80 : 3,708,302,401.20 = 836,426,202.80 : x - Step 2: Convert to fraction form
2,472,201,600.80/3,708,302,401.20 = 836,426,202.80/x - Step 3: Cross multiply
2,472,201,600.80x = 3,708,302,401.20 × 836,426,202.80 - Step 4: Simplify right side
2,472,201,600.80x = 3,101,721,296,269,837,824 - Step 5: Solve for x
x = 3,101,721,296,269,837,824/2,472,201,600.80 - Step 6: Final answer
x = 1,254,639,304.20
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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.