Finding the Fourth Proportional to 1,053,128,884.65, 1,452,618,080.67 and 677,260,679.13
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Solution
The fourth proportional to 1,053,128,884.65, 1,452,618,080.67 and 677,260,679.13 is: 934,169,712.91
Step by Step Solution
- Step 1: Write the proportion equation
1,053,128,884.65 : 1,452,618,080.67 = 677,260,679.13 : x - Step 2: Convert to fraction form
1,053,128,884.65/1,452,618,080.67 = 677,260,679.13/x - Step 3: Cross multiply
1,053,128,884.65x = 1,452,618,080.67 × 677,260,679.13 - Step 4: Simplify right side
1,053,128,884.65x = 983,801,107,831,081,344 - Step 5: Solve for x
x = 983,801,107,831,081,344/1,053,128,884.65 - Step 6: Final answer
x = 934,169,712.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.