Finding the Fourth Proportional to 1,036,651,561.80, 1,554,977,342.70 and 968,627,113.80
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Solution
The fourth proportional to 1,036,651,561.80, 1,554,977,342.70 and 968,627,113.80 is: 1,452,940,670.70
Step by Step Solution
- Step 1: Write the proportion equation
1,036,651,561.80 : 1,554,977,342.70 = 968,627,113.80 : x - Step 2: Convert to fraction form
1,036,651,561.80/1,554,977,342.70 = 968,627,113.80/x - Step 3: Cross multiply
1,036,651,561.80x = 1,554,977,342.70 × 968,627,113.80 - Step 4: Simplify right side
1,036,651,561.80x = 1,506,193,215,483,894,528 - Step 5: Solve for x
x = 1,506,193,215,483,894,528/1,036,651,561.80 - Step 6: Final answer
x = 1,452,940,670.70
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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.