Finding the Fourth Proportional to 3,017,905,348.16, 4,164,709,580.64 and 1,679,766,720.80
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Solution
The fourth proportional to 3,017,905,348.16, 4,164,709,580.64 and 1,679,766,720.80 is: 2,318,078,186.12
Step by Step Solution
- Step 1: Write the proportion equation
3,017,905,348.16 : 4,164,709,580.64 = 1,679,766,720.80 : x - Step 2: Convert to fraction form
3,017,905,348.16/4,164,709,580.64 = 1,679,766,720.80/x - Step 3: Cross multiply
3,017,905,348.16x = 4,164,709,580.64 × 1,679,766,720.80 - Step 4: Simplify right side
3,017,905,348.16x = 6,995,740,555,355,995,136 - Step 5: Solve for x
x = 6,995,740,555,355,995,136/3,017,905,348.16 - Step 6: Final answer
x = 2,318,078,186.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.