Finding the Fourth Proportional to 2,021,325,497.80, 3,031,988,246.70 and 932,934,329.80
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Solution
The fourth proportional to 2,021,325,497.80, 3,031,988,246.70 and 932,934,329.80 is: 1,399,401,494.70
Step by Step Solution
- Step 1: Write the proportion equation
2,021,325,497.80 : 3,031,988,246.70 = 932,934,329.80 : x - Step 2: Convert to fraction form
2,021,325,497.80/3,031,988,246.70 = 932,934,329.80/x - Step 3: Cross multiply
2,021,325,497.80x = 3,031,988,246.70 × 932,934,329.80 - Step 4: Simplify right side
2,021,325,497.80x = 2,828,645,922,896,541,184 - Step 5: Solve for x
x = 2,828,645,922,896,541,184/2,021,325,497.80 - Step 6: Final answer
x = 1,399,401,494.70
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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.