Finding the Fourth Proportional to 3,640,455,936.90, 5,460,683,905.35 and 3,604,176,231.30
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Solution
The fourth proportional to 3,640,455,936.90, 5,460,683,905.35 and 3,604,176,231.30 is: 5,406,264,346.95
Step by Step Solution
- Step 1: Write the proportion equation
3,640,455,936.90 : 5,460,683,905.35 = 3,604,176,231.30 : x - Step 2: Convert to fraction form
3,640,455,936.90/5,460,683,905.35 = 3,604,176,231.30/x - Step 3: Cross multiply
3,640,455,936.90x = 5,460,683,905.35 × 3,604,176,231.30 - Step 4: Simplify right side
3,640,455,936.90x = 19,681,267,138,304,929,792 - Step 5: Solve for x
x = 19,681,267,138,304,929,792/3,640,455,936.90 - Step 6: Final answer
x = 5,406,264,346.95
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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.