Finding the Fourth Proportional to 1,036,651,555.30, 1,554,977,332.95 and 968,627,107.30
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Solution
The fourth proportional to 1,036,651,555.30, 1,554,977,332.95 and 968,627,107.30 is: 1,452,940,660.95
Step by Step Solution
- Step 1: Write the proportion equation
1,036,651,555.30 : 1,554,977,332.95 = 968,627,107.30 : x - Step 2: Convert to fraction form
1,036,651,555.30/1,554,977,332.95 = 968,627,107.30/x - Step 3: Cross multiply
1,036,651,555.30x = 1,554,977,332.95 × 968,627,107.30 - Step 4: Simplify right side
1,036,651,555.30x = 1,506,193,195,932,427,520 - Step 5: Solve for x
x = 1,506,193,195,932,427,520/1,036,651,555.30 - Step 6: Final answer
x = 1,452,940,660.95
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Double scale
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Similar ratio
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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.