Finding the Fourth Proportional to 1,344,898,851.40, 2,017,348,277.10 and 472,485,305.80
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Solution
The fourth proportional to 1,344,898,851.40, 2,017,348,277.10 and 472,485,305.80 is: 708,727,958.70
Step by Step Solution
- Step 1: Write the proportion equation
1,344,898,851.40 : 2,017,348,277.10 = 472,485,305.80 : x - Step 2: Convert to fraction form
1,344,898,851.40/2,017,348,277.10 = 472,485,305.80/x - Step 3: Cross multiply
1,344,898,851.40x = 2,017,348,277.10 × 472,485,305.80 - Step 4: Simplify right side
1,344,898,851.40x = 953,167,417,610,696,576 - Step 5: Solve for x
x = 953,167,417,610,696,576/1,344,898,851.40 - Step 6: Final answer
x = 708,727,958.70
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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.