Finding the Fourth Proportional to 628,311,051.80, 942,466,577.70 and 197,489,547.80
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Solution
The fourth proportional to 628,311,051.80, 942,466,577.70 and 197,489,547.80 is: 296,234,321.70
Step by Step Solution
- Step 1: Write the proportion equation
628,311,051.80 : 942,466,577.70 = 197,489,547.80 : x - Step 2: Convert to fraction form
628,311,051.80/942,466,577.70 = 197,489,547.80/x - Step 3: Cross multiply
628,311,051.80x = 942,466,577.70 × 197,489,547.80 - Step 4: Simplify right side
628,311,051.80x = 186,127,298,246,586,592 - Step 5: Solve for x
x = 186,127,298,246,586,592/628,311,051.80 - Step 6: Final answer
x = 296,234,321.70
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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.