Finding the Fourth Proportional to 1,551,354,549.80, 2,327,031,824.70 and 970,879,260.20
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Solution
The fourth proportional to 1,551,354,549.80, 2,327,031,824.70 and 970,879,260.20 is: 1,456,318,890.30
Step by Step Solution
- Step 1: Write the proportion equation
1,551,354,549.80 : 2,327,031,824.70 = 970,879,260.20 : x - Step 2: Convert to fraction form
1,551,354,549.80/2,327,031,824.70 = 970,879,260.20/x - Step 3: Cross multiply
1,551,354,549.80x = 2,327,031,824.70 × 970,879,260.20 - Step 4: Simplify right side
1,551,354,549.80x = 2,259,266,936,426,592,000 - Step 5: Solve for x
x = 2,259,266,936,426,592,000/1,551,354,549.80 - Step 6: Final answer
x = 1,456,318,890.30
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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.