Finding the Fourth Proportional to 941,490,602.60, 1,412,235,903.90 and 295,257,309.80
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Solution
The fourth proportional to 941,490,602.60, 1,412,235,903.90 and 295,257,309.80 is: 442,885,964.70
Step by Step Solution
- Step 1: Write the proportion equation
941,490,602.60 : 1,412,235,903.90 = 295,257,309.80 : x - Step 2: Convert to fraction form
941,490,602.60/1,412,235,903.90 = 295,257,309.80/x - Step 3: Cross multiply
941,490,602.60x = 1,412,235,903.90 × 295,257,309.80 - Step 4: Simplify right side
941,490,602.60x = 416,972,973,788,485,376 - Step 5: Solve for x
x = 416,972,973,788,485,376/941,490,602.60 - Step 6: Final answer
x = 442,885,964.70
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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.