Finding the Fourth Proportional to 930,883,294.28, 1,395,904,742.96 and 266,745,407.12
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Solution
The fourth proportional to 930,883,294.28, 1,395,904,742.96 and 266,745,407.12 is: 399,997,702.45
Step by Step Solution
- Step 1: Write the proportion equation
930,883,294.28 : 1,395,904,742.96 = 266,745,407.12 : x - Step 2: Convert to fraction form
930,883,294.28/1,395,904,742.96 = 266,745,407.12/x - Step 3: Cross multiply
930,883,294.28x = 1,395,904,742.96 × 266,745,407.12 - Step 4: Simplify right side
930,883,294.28x = 372,351,178,961,604,160 - Step 5: Solve for x
x = 372,351,178,961,604,160/930,883,294.28 - Step 6: Final answer
x = 399,997,702.45
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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.