Finding the Fourth Proportional to 2,453,158,889.90, 3,679,738,334.85 and 2,208,270,877.10
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Solution
The fourth proportional to 2,453,158,889.90, 3,679,738,334.85 and 2,208,270,877.10 is: 3,312,406,315.65
Step by Step Solution
- Step 1: Write the proportion equation
2,453,158,889.90 : 3,679,738,334.85 = 2,208,270,877.10 : x - Step 2: Convert to fraction form
2,453,158,889.90/3,679,738,334.85 = 2,208,270,877.10/x - Step 3: Cross multiply
2,453,158,889.90x = 3,679,738,334.85 × 2,208,270,877.10 - Step 4: Simplify right side
2,453,158,889.90x = 8,125,859,000,197,702,656 - Step 5: Solve for x
x = 8,125,859,000,197,702,656/2,453,158,889.90 - Step 6: Final answer
x = 3,312,406,315.65
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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.