Finding the Fourth Proportional to 674,466,021.04, 930,249,576.12 and 580,540,028.08
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Solution
The fourth proportional to 674,466,021.04, 930,249,576.12 and 580,540,028.08 is: 800,703,220.32
Step by Step Solution
- Step 1: Write the proportion equation
674,466,021.04 : 930,249,576.12 = 580,540,028.08 : x - Step 2: Convert to fraction form
674,466,021.04/930,249,576.12 = 580,540,028.08/x - Step 3: Cross multiply
674,466,021.04x = 930,249,576.12 × 580,540,028.08 - Step 4: Simplify right side
674,466,021.04x = 540,047,115,042,112,960 - Step 5: Solve for x
x = 540,047,115,042,112,960/674,466,021.04 - Step 6: Final answer
x = 800,703,220.32
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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.