Finding the Fourth Proportional to 2,559,286,861.20, 3,838,930,291.80 and 2,357,732,941.20
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Solution
The fourth proportional to 2,559,286,861.20, 3,838,930,291.80 and 2,357,732,941.20 is: 3,536,599,411.80
Step by Step Solution
- Step 1: Write the proportion equation
2,559,286,861.20 : 3,838,930,291.80 = 2,357,732,941.20 : x - Step 2: Convert to fraction form
2,559,286,861.20/3,838,930,291.80 = 2,357,732,941.20/x - Step 3: Cross multiply
2,559,286,861.20x = 3,838,930,291.80 × 2,357,732,941.20 - Step 4: Simplify right side
2,559,286,861.20x = 9,051,172,407,947,387,904 - Step 5: Solve for x
x = 9,051,172,407,947,387,904/2,559,286,861.20 - Step 6: Final answer
x = 3,536,599,411.80
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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.