Finding the Fourth Proportional to 1,719,302,525.70, 2,579,459,772.87 and 554,749,170.18
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Solution
The fourth proportional to 1,719,302,525.70, 2,579,459,772.87 and 554,749,170.18 is: 832,287,015.88
Step by Step Solution
- Step 1: Write the proportion equation
1,719,302,525.70 : 2,579,459,772.87 = 554,749,170.18 : x - Step 2: Convert to fraction form
1,719,302,525.70/2,579,459,772.87 = 554,749,170.18/x - Step 3: Cross multiply
1,719,302,525.70x = 2,579,459,772.87 × 554,749,170.18 - Step 4: Simplify right side
1,719,302,525.70x = 1,430,953,168,512,323,584 - Step 5: Solve for x
x = 1,430,953,168,512,323,584/1,719,302,525.70 - Step 6: Final answer
x = 832,287,015.88
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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.