Finding the Fourth Proportional to 2,784,344,715.60, 4,172,933,892.60 and 2,134,893,195.60
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Solution
The fourth proportional to 2,784,344,715.60, 4,172,933,892.60 and 2,134,893,195.60 is: 3,199,592,393.53
Step by Step Solution
- Step 1: Write the proportion equation
2,784,344,715.60 : 4,172,933,892.60 = 2,134,893,195.60 : x - Step 2: Convert to fraction form
2,784,344,715.60/4,172,933,892.60 = 2,134,893,195.60/x - Step 3: Cross multiply
2,784,344,715.60x = 4,172,933,892.60 × 2,134,893,195.60 - Step 4: Simplify right side
2,784,344,715.60x = 8,908,768,173,000,360,960 - Step 5: Solve for x
x = 8,908,768,173,000,360,960/2,784,344,715.60 - Step 6: Final answer
x = 3,199,592,393.53
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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.