Finding the Fourth Proportional to 1,101,128,402.80, 1,651,692,604.20 and 1,058,802,079.60
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Solution
The fourth proportional to 1,101,128,402.80, 1,651,692,604.20 and 1,058,802,079.60 is: 1,588,203,119.40
Step by Step Solution
- Step 1: Write the proportion equation
1,101,128,402.80 : 1,651,692,604.20 = 1,058,802,079.60 : x - Step 2: Convert to fraction form
1,101,128,402.80/1,651,692,604.20 = 1,058,802,079.60/x - Step 3: Cross multiply
1,101,128,402.80x = 1,651,692,604.20 × 1,058,802,079.60 - Step 4: Simplify right side
1,101,128,402.80x = 1,748,815,564,186,899,712 - Step 5: Solve for x
x = 1,748,815,564,186,899,712/1,101,128,402.80 - Step 6: Final answer
x = 1,588,203,119.40
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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.