Finding the Fourth Proportional to 727,664,807.80, 1,091,497,211.70 and 555,477,923.80
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Solution
The fourth proportional to 727,664,807.80, 1,091,497,211.70 and 555,477,923.80 is: 833,216,885.70
Step by Step Solution
- Step 1: Write the proportion equation
727,664,807.80 : 1,091,497,211.70 = 555,477,923.80 : x - Step 2: Convert to fraction form
727,664,807.80/1,091,497,211.70 = 555,477,923.80/x - Step 3: Cross multiply
727,664,807.80x = 1,091,497,211.70 × 555,477,923.80 - Step 4: Simplify right side
727,664,807.80x = 606,302,604,988,605,056 - Step 5: Solve for x
x = 606,302,604,988,605,056/727,664,807.80 - Step 6: Final answer
x = 833,216,885.70
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Double scale
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Similar ratio
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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.