Finding the Fourth Proportional to 5,668,899,725.60, 8,503,349,588.40 and 1,528,761,759.20
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Solution
The fourth proportional to 5,668,899,725.60, 8,503,349,588.40 and 1,528,761,759.20 is: 2,293,142,638.80
Step by Step Solution
- Step 1: Write the proportion equation
5,668,899,725.60 : 8,503,349,588.40 = 1,528,761,759.20 : x - Step 2: Convert to fraction form
5,668,899,725.60/8,503,349,588.40 = 1,528,761,759.20/x - Step 3: Cross multiply
5,668,899,725.60x = 8,503,349,588.40 × 1,528,761,759.20 - Step 4: Simplify right side
5,668,899,725.60x = 12,999,595,675,854,979,072 - Step 5: Solve for x
x = 12,999,595,675,854,979,072/5,668,899,725.60 - Step 6: Final answer
x = 2,293,142,638.80
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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.