Finding the Fourth Proportional to 1,616,832,014.20, 2,425,248,021.30 and 882,167,975.80
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Solution
The fourth proportional to 1,616,832,014.20, 2,425,248,021.30 and 882,167,975.80 is: 1,323,251,963.70
Step by Step Solution
- Step 1: Write the proportion equation
1,616,832,014.20 : 2,425,248,021.30 = 882,167,975.80 : x - Step 2: Convert to fraction form
1,616,832,014.20/2,425,248,021.30 = 882,167,975.80/x - Step 3: Cross multiply
1,616,832,014.20x = 2,425,248,021.30 × 882,167,975.80 - Step 4: Simplify right side
1,616,832,014.20x = 2,139,476,137,763,176,448 - Step 5: Solve for x
x = 2,139,476,137,763,176,448/1,616,832,014.20 - Step 6: Final answer
x = 1,323,251,963.70
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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.