Finding the Fourth Proportional to 5,616,756,013.60, 8,425,134,020.40 and 2,861,765,869.60
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Solution
The fourth proportional to 5,616,756,013.60, 8,425,134,020.40 and 2,861,765,869.60 is: 4,292,648,804.40
Step by Step Solution
- Step 1: Write the proportion equation
5,616,756,013.60 : 8,425,134,020.40 = 2,861,765,869.60 : x - Step 2: Convert to fraction form
5,616,756,013.60/8,425,134,020.40 = 2,861,765,869.60/x - Step 3: Cross multiply
5,616,756,013.60x = 8,425,134,020.40 × 2,861,765,869.60 - Step 4: Simplify right side
5,616,756,013.60x = 24,110,760,986,386,546,688 - Step 5: Solve for x
x = 24,110,760,986,386,546,688/5,616,756,013.60 - Step 6: Final answer
x = 4,292,648,804.40
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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.