Finding the Fourth Proportional to 597,312,129.80, 895,968,194.70 and 166,490,625.80
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Solution
The fourth proportional to 597,312,129.80, 895,968,194.70 and 166,490,625.80 is: 249,735,938.70
Step by Step Solution
- Step 1: Write the proportion equation
597,312,129.80 : 895,968,194.70 = 166,490,625.80 : x - Step 2: Convert to fraction form
597,312,129.80/895,968,194.70 = 166,490,625.80/x - Step 3: Cross multiply
597,312,129.80x = 895,968,194.70 × 166,490,625.80 - Step 4: Simplify right side
597,312,129.80x = 149,170,305,432,499,264 - Step 5: Solve for x
x = 149,170,305,432,499,264/597,312,129.80 - Step 6: Final answer
x = 249,735,938.70
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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.