Finding the Fourth Proportional to 3,320,855,865.95, 4,984,730,478.11 and 1,924,568,209.13
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Solution
The fourth proportional to 3,320,855,865.95, 4,984,730,478.11 and 1,924,568,209.13 is: 2,888,849,801.53
Step by Step Solution
- Step 1: Write the proportion equation
3,320,855,865.95 : 4,984,730,478.11 = 1,924,568,209.13 : x - Step 2: Convert to fraction form
3,320,855,865.95/4,984,730,478.11 = 1,924,568,209.13/x - Step 3: Cross multiply
3,320,855,865.95x = 4,984,730,478.11 × 1,924,568,209.13 - Step 4: Simplify right side
3,320,855,865.95x = 9,593,453,809,231,779,840 - Step 5: Solve for x
x = 9,593,453,809,231,779,840/3,320,855,865.95 - Step 6: Final answer
x = 2,888,849,801.53
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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.